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Anableps anableps, the largescale four-eyes, [3] is a species of four-eyed fish found in fresh and brackish waters of northern South America and Trinidad. This species grows to a length of 24.5 centimetres (9.6 in) standard length (SL). This fish can occasionally be found in the aquarium trade. The fish does not actually have four eyes.
Anablepidae is a family of ray-finned fishes which live in brackish and freshwater habitats from southern Mexico to southern South America. [2] There are three genera with sixteen species: the four-eyed fishes (genus Anableps), the onesided livebearers (genus Jenynsia) and the white-eye, Oxyzygonectes dovii.
The Pacific four-eyed fish (Anableps dowei) is a species of four-eyed fish native to the coastal waters on the Pacific side of southern Mexico to Nicaragua. [3] This fish is gregarious and inhabits mangrove swamps , tidal mudflats , and other coastal brackish ecosystems.
Air pupil 4. Tissue band 5. Iris 6. Underwater pupil 7. Air retina 8. Optic nerve. The maximum length of four-eyed fishes is up to 32 cm TL in A. microlepis, making this species the largest in the order Cyprinodontiformes. [4] Four-eyed fish have only two eyes, but the eyes are specially adapted for their surface-dwelling lifestyle.
The finescaled four-eyed fish (Anableps microlepis) is a species of four-eyed fish found in coastal waters of the Atlantic Ocean from Trinidad and Tobago down to southeastern Brazil. [3] [4] [5] They mostly inhabit brackish environments such as estuaries, mangrove swamps, and tidal mudflats. It grows to approximately 30 cm (12 in) in length. [3 ...
Four-eyed creature — with ‘bright red’ body — found burrowed in sand. See new species. Moira Ritter. November 3, 2023 at 9:55 AM. Along the shore of an island in Japan, a ghost shrimp ...
Four-ridged Toad Ingerophrynus quadriporcatus at Venus Drive St Andrew's Cross Toadlet Pelophryne brevipes - adult male Copper-cheeked Frog Hydrophylax raniceps that was found near a stream along a trail in Venus Drive. There are about 30 species of amphibians in Singapore. Amphibians are aquatic vertebrates. They need water to survive.
The species is notable for unusual protuberances that grow from its eyes, which each have "a well developed lens" [3] and a retina, and which have led to the species being called a "four-eyed" fish. [3] They have two spherical eyes that are dorsally directed and two secondary eyes that are ventrally directed. [4]