diff --git a/is-negative-finite/README.md b/is-negative-finite/README.md
index 92d1d604..85787a3c 100644
--- a/is-negative-finite/README.md
+++ b/is-negative-finite/README.md
@@ -32,7 +32,7 @@ var isNegativeFinite = require( '@stdlib/assert/is-negative-finite' );
 
 #### isNegativeFinite( value )
 
-Tests if a `value` is a `number` having a finite negative value.
+Tests if a value is a number having a finite negative value.
 
 <!-- eslint-disable no-new-wrappers -->
 
@@ -54,13 +54,13 @@ bool = isNegativeFinite( 5.0 );
 bool = isNegativeFinite( null );
 // returns false
 
-bool = isNegativeFinite( Number.NEGATIVE_INFINITY );
+bool = isNegativeFinite( -1.0/0.0 );
 // returns false
 ```
 
 #### isNegativeFinite.isPrimitive( value )
 
-Tests if a `value` is a primitive `number` having a finite negative value.
+Tests if a value is a primitive number having a finite negative value.
 
 <!-- eslint-disable no-new-wrappers -->
 
@@ -76,7 +76,7 @@ bool = isNegativeFinite.isPrimitive( new Number( -3.0 ) );
 
 #### isNegativeFinite.isObject( value )
 
-Tests if a `value` is a `Number` object having a finite negative value.
+Tests if a value is a `Number` object having a finite negative value.
 
 <!-- eslint-disable no-new-wrappers -->
 
@@ -126,6 +126,12 @@ bool = isNegativeFinite( '-5' );
 
 bool = isNegativeFinite( null );
 // returns false
+
+bool = isNegativeFinite( -1.0/0.0 );
+// returns false
+
+bool = isNegativeFinite( new Number( -1.0/0.0 ) );
+// returns false
 ```
 
 </section>
@@ -136,12 +142,6 @@ bool = isNegativeFinite( null );
 
 <section class="related">
 
-* * *
-
-## See Also
-
--   <span class="package-name">[`@stdlib/assert/is-number`][@stdlib/assert/is-number]</span><span class="delimiter">: </span><span class="description">test if a value is a number.</span>
-
 </section>
 
 <!-- /.related -->
@@ -150,12 +150,6 @@ bool = isNegativeFinite( null );
 
 <section class="links">
 
-<!-- <related-links> -->
-
-[@stdlib/assert/is-number]: https://github.com/stdlib-js/assert/tree/main/is-number
-
-<!-- </related-links> -->
-
 </section>
 
 <!-- /.links -->
diff --git a/is-negative-finite/benchmark/benchmark.js b/is-negative-finite/benchmark/benchmark.js
index be0d390b..b340bfcf 100644
--- a/is-negative-finite/benchmark/benchmark.js
+++ b/is-negative-finite/benchmark/benchmark.js
@@ -16,7 +16,7 @@
 * limitations under the License.
 */
 
-/* eslint-disable no-undefined, no-empty-function */
+/* eslint-disable no-empty-function */
 
 'use strict';
 
@@ -43,12 +43,12 @@ bench( pkg+'::primitives', function benchmark( b ) {
 		3.14,
 		-5.0,
 		-4.0,
-		Number.NEGATIVE_INFINITY,
+		-1.0/0.0,
 		NaN,
 		true,
 		false,
 		null,
-		undefined
+		void 0
 	];
 
 	b.tic();
@@ -78,7 +78,7 @@ bench( pkg+'::objects', function benchmark( b ) {
 		new Number( 2.0 ),
 		new Number( -3.0 ),
 		new Number( 3.14 ),
-		new Number( Number.NEGATIVE_INFINITY )
+		new Number( -1.0/0.0 )
 	];
 
 	b.tic();
@@ -108,12 +108,12 @@ bench( pkg+'::primitives:isPrimitive', function benchmark( b ) {
 		3.14,
 		-5.0,
 		-4.0,
-		Number.NEGATIVE_INFINITY,
+		-1.0/0.0,
 		NaN,
 		true,
 		false,
 		null,
-		undefined
+		void 0
 	];
 
 	b.tic();
@@ -143,7 +143,7 @@ bench( pkg+'::objects:isPrimitive', function benchmark( b ) {
 		new Number( 2.0 ),
 		new Number( -3.0 ),
 		new Number( 3.14 ),
-		new Number( Number.NEGATIVE_INFINITY )
+		new Number( -1.0/0.0 )
 	];
 
 	b.tic();
@@ -173,12 +173,12 @@ bench( pkg+'::primitives:isObject', function benchmark( b ) {
 		3.14,
 		-5.0,
 		-4.0,
-		Number.NEGATIVE_INFINITY,
+		-1.0/0.0,
 		NaN,
 		true,
 		false,
 		null,
-		undefined
+		void 0
 	];
 
 	b.tic();
@@ -208,7 +208,7 @@ bench( pkg+'::objects:isObject', function benchmark( b ) {
 		new Number( 2.0 ),
 		new Number( -3.0 ),
 		new Number( 3.14 ),
-		new Number( Number.NEGATIVE_INFINITY )
+		new Number( -1.0/0.0 )
 	];
 
 	b.tic();
diff --git a/is-negative-finite/docs/repl.txt b/is-negative-finite/docs/repl.txt
index 3d7241b9..648844b2 100644
--- a/is-negative-finite/docs/repl.txt
+++ b/is-negative-finite/docs/repl.txt
@@ -10,7 +10,7 @@
     Returns
     -------
     bool: boolean
-        Boolean indicating whether value is a finite negative number.
+        Boolean indicating whether a value is a finite negative number.
 
     Examples
     --------
@@ -24,9 +24,9 @@
     false
     > bool = {{alias}}( null )
     false
-    > bool = {{alias}}( Number.NEGATIVE_INFINITY )
+    > bool = {{alias}}( -1.0/0.0 )
     false
-    > bool = {{alias}}( new Number( Number.NEGATIVE_INFINITY ) )
+    > bool = {{alias}}( new Number( -1.0/0.0 ) )
     false
 
 
@@ -41,7 +41,7 @@
     Returns
     -------
     bool: boolean
-        Boolean indicating whether value is a number primitive having a finite 
+        Boolean indicating whether a value is a number primitive having a finite
         negative value.
 
     Examples
@@ -50,9 +50,9 @@
     true
     > bool = {{alias}}.isPrimitive( new Number( -3.0 ) )
     false
-    > var bool = {{alias}}.isPrimitive( Number.NEGATIVE_INFINITY )
+    > var bool = {{alias}}.isPrimitive( -1.0/0.0 )
     false
-    > bool = {{alias}}.isPrimitive( new Number( Number.NEGATIVE_INFINITY ) )
+    > bool = {{alias}}.isPrimitive( new Number( -1.0/0.0 ) )
     false
 
 
@@ -67,7 +67,7 @@
     Returns
     -------
     bool: boolean
-        Boolean indicating whether value is a number object having a finite
+        Boolean indicating whether a value is a number object having a finite
         negative value.
 
     Examples
@@ -76,9 +76,9 @@
     false
     > bool = {{alias}}.isObject( new Number( -3.0 ) )
     true
-    > bool = {{alias}}.isObject( Number.NEGATIVE_INFINITY )
+    > bool = {{alias}}.isObject( -1.0/0.0 )
     false
-    > bool = {{alias}}.isObject( new Number( Number.NEGATIVE_INFINITY ) )
+    > bool = {{alias}}.isObject( new Number( -1.0/0.0 ) )
     false
 
     See Also
diff --git a/is-negative-finite/docs/types/index.d.ts b/is-negative-finite/docs/types/index.d.ts
index e0fef096..2bc21dd5 100644
--- a/is-negative-finite/docs/types/index.d.ts
+++ b/is-negative-finite/docs/types/index.d.ts
@@ -49,7 +49,7 @@ interface isNegativeFinite {
 	* // returns false
 	*
 	* @example
-	* var bool = isNegativeFinite( Number.NEGATIVE_INFINITY );
+	* var bool = isNegativeFinite( -1.0/0.0 );
 	* // returns false
 	*/
 	( value: number | Number ): value is number | Number;
@@ -74,7 +74,7 @@ interface isNegativeFinite {
 	* Tests if a value is a number object having a negative value.
 	*
 	* @param value - value to test
-	* @returns boolean indicating if a value is a number object having a negative value
+	* @returns boolean indicating if a value is a number object having a finite negative value
 	*
 	* @example
 	* var bool = isNegativeFinite.isObject( -3.0 );
@@ -91,7 +91,7 @@ interface isNegativeFinite {
 * Tests if a value is a negative number.
 *
 * @param value - value to test
-* @returns boolean indicating whether value is a negative number
+* @returns boolean indicating whether value is a finite negative number
 *
 * @example
 * var bool = isNegativeFinite( -5.0 );
@@ -122,11 +122,11 @@ interface isNegativeFinite {
 * // returns true
 *
 * @example
-* var bool = isNegativeFinite.isPrimitive( Number.NEGATIVE_INFINITY );
+* var bool = isNegativeFinite.isPrimitive( -1.0/0.0 );
 * // returns false
 *
 * @example
-* var bool = isNegativeFinite.isObject( new Number( Number.NEGATIVE_INFINITY ) );
+* var bool = isNegativeFinite.isObject( new Number( -1.0/0.0 ) );
 * // returns false
 */
 declare var isNegativeFinite: isNegativeFinite;
diff --git a/is-negative-finite/examples/index.js b/is-negative-finite/examples/index.js
index f9b71118..961876ca 100644
--- a/is-negative-finite/examples/index.js
+++ b/is-negative-finite/examples/index.js
@@ -42,8 +42,8 @@ console.log( isNegativeFinite( '-5' ) );
 console.log( isNegativeFinite( null ) );
 // => false
 
-console.log( isNegativeFinite( Number.NEGATIVE_INFINITY ) );
+console.log( isNegativeFinite( -1.0/0.0 ) );
 // => false
 
-console.log( isNegativeFinite( new Number(Number.NEGATIVE_INFINITY) ) );
+console.log( isNegativeFinite( new Number( -1.0/0.0 ) ) );
 // => false
diff --git a/is-negative-finite/lib/index.js b/is-negative-finite/lib/index.js
index f2d432df..1e7516c9 100644
--- a/is-negative-finite/lib/index.js
+++ b/is-negative-finite/lib/index.js
@@ -19,7 +19,7 @@
 'use strict';
 
 /**
-* Test if a value is a negative finite number.
+* Test if a value is a finite negative number.
 *
 * @module @stdlib/assert/is-negative-finite
 *
@@ -41,11 +41,10 @@
 * bool = isNegativeFinite( null );
 * // returns false
 *
-* bool = isNegativeFinite( Number.NEGATIVE_INFINITY );
+* bool = isNegativeFinite( -1.0/0.0 );
 * // returns false
 *
 * @example
-* // Use interface to check for finite negative number primitives...
 * var isNegativeFinite = require( '@stdlib/assert/is-negative-finite' ).isPrimitive;
 *
 * var bool = isNegativeFinite( -3.0 );
@@ -54,11 +53,10 @@
 * bool = isNegativeFinite( new Number( -3.0 ) );
 * // returns false
 *
-* bool = isNegativeFinite( new Number( Number.NEGATIVE_INFINITY ) );
+* bool = isNegativeFinite( new Number( -1.0/0.0 ) );
 * // returns false
 *
 * @example
-* // Use interface to check for negative number objects...
 * var isNegativeFinite = require( '@stdlib/assert/is-negative-finite' ).isObject;
 *
 * var bool = isNegativeFinite( -3.0 );
@@ -67,7 +65,7 @@
 * bool = isNegativeFinite( new Number( -3.0 ) );
 * // returns true
 *
-* bool = isNegativeFinite( new Number( Number.NEGATIVE_INFINITY ) );
+* bool = isNegativeFinite( new Number( -1.0/0.0 ) );
 * // returns false
 */
 
diff --git a/is-negative-finite/lib/object.js b/is-negative-finite/lib/object.js
index af7e662f..7d6fa4a9 100644
--- a/is-negative-finite/lib/object.js
+++ b/is-negative-finite/lib/object.js
@@ -21,7 +21,7 @@
 // MODULES //
 
 var isNumber = require( './../../is-number' ).isObject;
-var isFinite = require( './../../is-finite' ).isObject; // eslint-disable-line stdlib/no-redeclare
+var NINF = require( '@stdlib/constants/float64/ninf' );
 
 
 // MAIN //
@@ -51,7 +51,8 @@ var isFinite = require( './../../is-finite' ).isObject; // eslint-disable-line s
 function isNegativeFinite( value ) {
 	return (
 		isNumber( value ) &&
-		value.valueOf() < 0.0 && isFinite(value)
+		value.valueOf() < 0.0 &&
+		value.valueOf() > NINF
 	);
 }
 
diff --git a/is-negative-finite/lib/primitive.js b/is-negative-finite/lib/primitive.js
index dd566115..2df18f44 100644
--- a/is-negative-finite/lib/primitive.js
+++ b/is-negative-finite/lib/primitive.js
@@ -21,13 +21,13 @@
 // MODULES //
 
 var isNumber = require( './../../is-number' ).isPrimitive;
-var isFinite = require( './../../is-finite' ).isPrimitive; // eslint-disable-line stdlib/no-redeclare
+var NINF = require( '@stdlib/constants/float64/ninf' );
 
 
 // MAIN //
 
 /**
-* Tests if a value is a number primitive having finite a negative value.
+* Tests if a value is a number primitive having a finite negative value.
 *
 * @param {*} value - value to test
 * @returns {boolean} boolean indicating if a value is a number primitive having a finite negative value
@@ -37,7 +37,7 @@ var isFinite = require( './../../is-finite' ).isPrimitive; // eslint-disable-lin
 * // returns true
 *
 * @example
-* var bool = isNegativeFinite( Number.NEGATIVE_INFINITY );
+* var bool = isNegativeFinite( -1.0/0.0 );
 * // returns false
 *
 * @example
@@ -45,13 +45,14 @@ var isFinite = require( './../../is-finite' ).isPrimitive; // eslint-disable-lin
 * // returns false
 *
 * @example
-* var bool = isNegativeFinite( new Number( Number.NEGATIVE_INFINITY ) );
+* var bool = isNegativeFinite( new Number( -1.0/0.0 ) );
 * // returns false
 */
 function isNegativeFinite( value ) {
 	return (
 		isNumber( value ) &&
-		value < 0.0 && isFinite(value)
+		value < 0.0 &&
+		value > NINF
 	);
 }
 
diff --git a/is-negative-finite/package.json b/is-negative-finite/package.json
index 2baaeae6..b0cd88a3 100644
--- a/is-negative-finite/package.json
+++ b/is-negative-finite/package.json
@@ -1,7 +1,7 @@
 {
-  "name": "@stdlib/assert/is-negative-number",
+  "name": "@stdlib/assert/is-negative-finite",
   "version": "0.0.0",
-  "description": "Test if a value is a number having a negative value.",
+  "description": "Test if a value is a number having a finite negative value.",
   "license": "Apache-2.0",
   "author": {
     "name": "The Stdlib Authors",
@@ -63,6 +63,8 @@
     "is",
     "isnumber",
     "isnumeric",
+    "finite",
+    "isfinite",
     "type",
     "check",
     "primitive",
diff --git a/is-negative-finite/test/test.main.js b/is-negative-finite/test/test.main.js
index f708c771..a128aced 100644
--- a/is-negative-finite/test/test.main.js
+++ b/is-negative-finite/test/test.main.js
@@ -48,7 +48,7 @@ tape( 'the function returns `false` if not provided a number having a finite neg
 		3.14,
 		1.0,
 		0.0,
-		Number.NEGATIVE_INFINITY,
+		-1.0/0.0,
 		null,
 		true,
 		void 0,
diff --git a/is-negative-finite/test/test.object.js b/is-negative-finite/test/test.object.js
index bd6743f7..420404cc 100644
--- a/is-negative-finite/test/test.object.js
+++ b/is-negative-finite/test/test.object.js
@@ -55,7 +55,8 @@ tape( 'the function returns `false` if not provided a finite negative number', f
 		null,
 		true,
 		void 0,
-		Number.NEGATIVE_INFINITY,
+		-1.0/0.0,
+		new Number( -1.0/0.0 ),
 		[],
 		{},
 		new Date(),
diff --git a/is-negative-finite/test/test.primitive.js b/is-negative-finite/test/test.primitive.js
index 57a8d300..8a7ec3a4 100644
--- a/is-negative-finite/test/test.primitive.js
+++ b/is-negative-finite/test/test.primitive.js
@@ -55,7 +55,7 @@ tape( 'the function returns `false` if not provided a finite negative number', f
 		null,
 		true,
 		void 0,
-		Number.NEGATIVE_INFINITY,
+		-1.0/0.0,
 		[],
 		{},
 		function noop() {}
diff --git a/is-nonnegative-finite/lib/object.js b/is-nonnegative-finite/lib/object.js
index 30ae1157..0dc49193 100644
--- a/is-nonnegative-finite/lib/object.js
+++ b/is-nonnegative-finite/lib/object.js
@@ -51,7 +51,7 @@ var PINF = require( '@stdlib/constants/float64/pinf' );
 function isNonNegativeFinite( value ) {
 	return (
 		isNonNegativeNumber( value ) &&
-		value < PINF
+		value.valueOf() < PINF
 	);
 }