The Smallest Fish In The World

the smallest fish in the world

The smallest fish in the world depends on the measurement used. The stout infantfish (Schindleria brevipinguis) where females reach it at 8.4 mm (0.33 in) and males at 7 mm (0.28 in), as well as Photocorynus spiniceps where males could reach it at 6.2 mm (0.24 in), however, are attached to the far larger females.

The Paedocypris progenetica, and was only recently found in the last decade. Based on minimum standard length at maturity the primary contenders Paedocypris progenetica is smallest fish in the world where females could reach it at only 7.9 mm (0.31 in) as well as the maximum standard length of 10.3 mm (0.41 in), males 9.8 mm (0.39 in). These fishes rival it in terms of the smallness of weight and volume.

In fact, until recently, Paedocypris was the smallest known vertebrate animal which has now been superseded by a minute frog (Paedophryne amauensis) from the New Guinean rainforests. It was found in the forest swamps on the Indonesian island of Sumatra.

The Paedocypris progenetica is a small species of cyprinid fish has a partially see-through body and also a reduced head skeleton, which leaves the brain completely unprotected by bone. This small, translucent fish has the appearance of larvae, possesses some bizarre grasping pelvic fins, and also lives in dark tea-colored waters with an acidity of pH3, which is more than 100 times more acidic compared to rainwater.

 

List of Smallest Fish In The World

List of Smallest Fish In The World

Photocorynus spiniceps

Photocorynus spiniceps is a species of angler fish in the family Linophrynidae. It is in the monotypic genus Photocorynus where males reach it at 6.2 mm (0.24 in) long, is the shortest known, sexually mature vertebrate and females at 50.2 mm (1.98 in).

The female far larger than male and species not among smallest by maximum standard length. In terms of weight and volume, 2 other fish species, Paedocypris progenetica, as well as Schindleria brevipinguis (the stout infantfish), are probably smaller.

List of Smallest Fish In The World 2

The stout infantfish (Schindleria brevipinguis)

The stout infantfish (Schindleria brevipinguis) is a species of marine fish in family Schindleriidae of Perciformes. One of the 3 smallest fish in the world and also vertebrate known. Only the male anglerfish of the species Photocorynus spiniceps is shorter and Paedocypris progenetica rivals it in terms of the smallness of weight and volume.

The stout infantfish (Schindleria brevipinguis) where females reach it at 8.4 mm (0.33 in) and males at 7 mm (0.28 in) long, as well as the maximum standard length of the species, is 10 mm (0.39 in).

List of Smallest Fish In The World 3

Dwarf pygmy goby (Pandaka pygmaea)

The dwarf pygmy goby (Pandaka pygmaea) is a tropical species of fish in the family Gobiidae. It is one of the smallest freshwater fishes where males reach it at 9 mm (0.35 in) and females at 15 mm (0.59 in).

 

List of Smallest Fish In The World Distribution and Habitat

List of Smallest Fish In The World Distribution and Habitat

Photocorynus spiniceps

Photocorynus spiniceps, a member of thc Ceratioid angler fish group, is discovered in oceanic mid-waters. The male Photocorynus spiniceps found in the Philippines was first reported in the journal Ichthyological Research in 2005.

It spends its life fused to its much larger female counterpart, which is several thousands of times greater in weight. While the female cares for swimming and also eating, the male fish, with a large proportion of its body consisting of testes, is charged with the task of assisting reproduction.

The stout infantfish (Schindleria brevipinguis)

The stout infantfish (Schindleria brevipinguis) is native to Australia’s Great Barrier Reef as well as to Osprey Reef in the Coral Sea. The initial specimen of the stout infantfish was accumulated in 1979, by the Australian Museum’s Jeff Leis, during fieldwork in the Lizard Island region of the Great Barrier Reef.

However, the species was not officially described until a 2004 paper (Watson and Walker). Only 6 specimens of the stout infantfish have been discovered to date. The discovery of stout infantfish relegated to 2nd place the previous smallest known vertebrate, Trimmatom nanus the midget dwarf goby of the western Indian Ocean.

Dwarf pygmy goby (Pandaka pygmaea)

The dwarf pygmy goby (Pandaka pygmaea) lives in shallow, tropical brackish water and also mangrove areas in Southeast Asia where primarily discovered on muddy bottoms or among plants. It was first reported as being endemic to Malabon, Metro Manila in the Philippines, where discovered at shady river banks.

The species has currently been extirpated from this area as it was reclaimed, leading to its status as critically endangered by the IUCN. More lately, it has been found at a range of other locations in Southeast Asia, including Culion Island, Sulawesi, Bali and also Singapore. As part of the fish tank trade, it was imported into Germany in 1958.

 

List of Smallest Fish In The World Anatomy

List of Smallest Fish In The World Anatomy

Dwarf pygmy goby (Pandaka pygmaea)

The dwarf pygmy goby (Pandaka pygmaea) is a colorless as well as nearly transparent species, it has a reasonably elongated and also robust body. Males are slender with nearly straight dorsal as well as ventral profiles, while the females appear stouter with the dorsal profile a little curved, the belly protuberant, and the ventral outline strongly arched.

The head is very short, wide and also rounded. The mouth is extremely oblique, with a projecting lower jaw as well as chin. It possesses 2 rows of teeth in each jaw. The outer row of teeth inside the upper jaw is bigger and also more widely spaced, while the inner row is characteristically minute. The initial dorsal fin is low, much in advance of the 2nd dorsal fin, however not reaching the 2nd dorsal fin when depressed. The pectoral, as well as ventral fins, are sharp, with the latter about as long as the former or longer.

List of Smallest Fish In The World Anatomy 2

Photocorynus spiniceps

Photocorynus spiniceps is like most other deep-sea anglerfishes, these fishes lures its prey into striking range using a bioluminescent sac at the end of an illicium, the highly modified initial ray of the dorsal fin, as well as swallows the prey whole with the help of a distending jaw and a similarly distending stomach. Its prey could occasionally be as big as their own bodies.

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