| Lycothrissa | |
|---|---|
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Order: | Clupeiformes |
| Family: | Engraulidae |
| Subfamily: | Coiliinae |
| Genus: | Lycothrissa Günther, 1868 |
| Species: | L. crocodilus |
| Binomial name | |
| Lycothrissa crocodilus (Bleeker, 1851) | |
Lycothrissa crocodilus, the sabretooth thryssa, is a species of anchovy which occurs in fresh and brackish water in Southeast Asia. It is the only species in its genus.
The family Alligatoridae of crocodylians includes alligators and caimans.
Caiman is a genus of caimans within the alligatorid subfamily Caimaninae. They inhabit Central and South America. They are relatively small sized crocodilians, with all species reaching lengths of only a few meters and weighing 6 to 40 kg on average.
The yacare caiman, also known commonly as the jacare caiman, Spanish yacaré, Paraguayan caiman, piranha caiman, red caiman, southern spectacled caiman, jacaré in Portuguese, and îakaré in Old Tupi, is a species of caiman, a crocodilian in the family Alligatoridae. The species is endemic to Argentina, Bolivia, Brazil, and Paraguay. Brown in color and covered with dark blotches, males grow to a total length of 2–3 m (6.6–9.8 ft) and females to 1.4 m (4.6 ft). Typical habitats of this caiman include lakes, rivers, and wetlands. Its diet primarily consists of aquatic animals, such as snails, and occasionally land vertebrates. Mating occurs in the rainy season and eggs hatch in March, with young fending for themselves as soon as they hatch. The yacare caiman was hunted heavily for its skin to use for leather in the 1980s, which caused its population to decrease significantly. However, trading restrictions placed since have caused its population to increase. Its population in the Pantanal is about 10 million, and it is listed as least concern on the IUCN Red List.
The black caiman is a species of large crocodilian and, along with the American alligator, is one of the largest extant members of the family Alligatoridae and order Crocodilia. It is a carnivorous reptile that lives along slow-moving rivers, lakes, seasonally flooded savannas of the Amazon basin, and in other freshwater habitats of South America. It is a large species, growing to at least 5 m (16 ft) and possibly up to 6 m (20 ft) in length, which makes it the third-largest reptile in the Neotropical realm, behind the American crocodile, and the critically endangered Orinoco crocodile. As its common and scientific names imply, the black caiman has a dark coloration, as an adult. In some individuals, the dark coloration can appear almost black. It has grey to brown banding on the lower jaw. Juveniles have a more vibrant coloration compared to adults with prominent white to pale yellow banding on the flanks that remains present well into adulthood, at least more when compared to other species. The morphology is quite different from other caimans but the bony ridge that occurs in other caimans is present. The head is large and heavy, an advantage in catching larger prey. Like all crocodile-like animals, caimans are long, squat creatures, with big jaws, long tails and short legs. They have thick, scaled skin, and their eyes and noses are located on the tops of their heads. This enables them to see and breathe while the rest of their bodies are underwater.
The freshwater crocodile, also known as the Australian freshwater crocodile, Johnstone's crocodile or also known as freshie, is a species of crocodile endemic to the northern regions of Australia.
Doratodon is an extinct genus of Late Cretaceous crocodylomorph that was once believed to be a dinosaur. Two species of Doratodon are known to science: D. carcharidens from Austria and Hungary, the type species; and D. ibericus from Spain.
Pristichampsus is a non-diagnostic genus of crocodylian from France and possibly also Kazakhstan that is part of the monotypic Pristichampsidae family. As the type species, P. rollianti, was based on insufficient material when described in 1831 and 1853, the taxonomic status of the genus is in doubt, and other species have been referred to other genera, primarily Boverisuchus.
Lampanyctus is a genus of lanternfishes.
Merodoras nheco is species of freshwater ray-finned fish, it is the only species in the genus Merodoras of the catfish family Doradidae.
The spectacled caiman, also known as the white caiman, common caiman, and speckled caiman, is a crocodilian in the family Alligatoridae. It is brownish-, greenish-, or yellowish-gray colored and has a spectacle-like ridge between its eyes, which is where its common name come from. It grows to a length of 1.4–2.5 metres (4.6–8.2 ft) and a weight of 7–40 kilograms (15–88 lb), with males being both longer and heavier than females. Its diet varies seasonally, commonly consisting of crabs, fish, mammals, and snails. Breeding occurs from May to August and 14–40 eggs are laid in July and August. This crocodilian has a large range and population; it is native to much of Latin America, and has been introduced to the United States, Cuba, and Puerto Rico.
A caiman is an alligatorid belonging to the subfamily Caimaninae, one of two primary lineages within Alligatoridae, the other being alligators.
The houndfish is a game fish of the family Belonidae. It is the largest member of its family, growing up to 5 feet (1.5 m) in length and 10 pounds (4.5 kg) in weight. It is also often called the crocodile needlefish.
Indostomus is the sole genus of the monogeneric family Indostomidae, indigenous to freshwater habitats in Indochina. The indostomids were long considered to belong in the stickleback order Gasterosteiformes, as close relatives of seahorses and pipefishes. Molecular analyses consistently find that syngnathids do not belong with Gasterosteiformes, however, and Indostomus may not be closely related to either group.
"Crocodylus" acer is an extinct species of crocodyloid from the Eocene of Utah. A single well preserved skull was described by paleontologist Edward Drinker Cope in 1882 and remains the only known fossil of the species. It was found from the Wasatchian-age Green River Formation. "C." acer had a long, narrow snout and a low, flattened skull.
"Crocodylus" megarhinus is an extinct species of crocodile from the Eocene of Egypt. A partial skull was found by British paleontologist Charles William Andrews in the Fayum Depression. Andrews named Crocodylus megarhinus in 1905 on the basis of the holotype skull. A complete skull was also uncovered from Egypt in 1907 but was not recognized as "C." megarhinus until 1927.
Crocodylus raninus, the Borneo crocodile, is an enigmatic species of freshwater crocodile endemic to the Southeast Asian island of Borneo. Its taxonomic status is controversial and unclear: it has been considered by some authors as a synonym of Crocodylus porosus, although a redescription in 1990 and 1992 presented evidence of distinct identity.
Mesoborus crocodilus is a species of distichodontid fish found in the Congo River Basin in Middle Africa. It is the only member of its genus. It reaches up to 25 cm (9.8 in) in standard length. It is a specialized fish-eater.
Gavialidium is a genus of insects found in India and Sri Lanka, belonging to the Tetrigidae family of Orthopterans in the tribe Scelimenini.
Caiman venezuelensis is an extinct species of caiman that lived in South America during the Pleistocene. The holotype of C. venezuelensis — OR-1677, a partial left premaxilla bone — was discovered in the locality of El Breal of Orocual, in the Mesa Formation, in the state of Monagas, Venezuela, the country of which derives their species name.
Thalattosuchus is an extinct genus of marine crocodyliform that lived in the oceans during the Middle to Late Jurassic. Thalattosuchus was named in 2020. Thalattosuchus was a carnivore that spent much, if not all, its life out at sea. No Thalattosuchus eggs or nests have been discovered, so little is known of the reptile's life cycle, unlike other large marine reptiles of the Mesozoic, such as plesiosaurs or ichthyosaurs which are known to have given birth to live young out at sea. Where Thalattosuchus mated, whether on land or at sea, is currently unknown. The name Thalattosuchus means "sea crocodile".
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