| Biwia | |
|---|---|
 | |
| Biwia zezera | |
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Order: | Cypriniformes |
| Family: | Cyprinidae |
| Subfamily: | Gobioninae |
| Genus: | Biwia D. S. Jordan & Fowler, 1903 |
| Type species | |
| Pseudogobio zezera Ishikawa, 1895 | |
Biwia is a small genus of cyprinid fishes containing four species, three of which are endemic to Japan, and one of which ( B. springeri ) is endemic to Korea. [1]
Victor Gruschka Springer is Senior Scientist emeritus, Division of Fishes at the Smithsonian Institution's National Museum of Natural History in Washington, D.C. He is a specialist in the anatomy, classification, and distribution of fishes, with a special interest in tropical marine shorefishes. He has published numerous scientific studies on these subjects; also, a popular book called "Sharks in Question, the Smithsonian Answer Book" 1989.
Eptatretus springeri, the Gulf hagfish, is a bathydemersal vertebrate which lives primarily in the northeastern Gulf of Mexico. It has been observed feeding at and around brine pools: areas of high salinity which resemble lakes on the ocean floor that do not mix with the surrounding water due to difference in density. The high salt content, approximately 200 ppt compared to 35 ppt for standard seawater, creates a buoyant surface which renders oceanic submersibles unable to descend into the pool. It is believed that the inside of the pools only supports microbial life, while the majority of macroscopic life, such as methane-utilizing mussels, exists on the edges. The Gulf hagfish feeds on the primary producers of these environments, as well as other predators.
Collared wrigglers are perciform fishes in the family Xenisthmidae. They are native to the Indian and Pacific Oceans, where they are mostly reef-dwelling.
Galeus is a genus of catshark, belonging to the family Scyliorhinidae, commonly known as sawtail catsharks in reference to a distinctive saw-toothed crest of enlarged dermal denticles, found along the upper edges of their caudal fins. They are found in the Atlantic, the western and central Pacific, and the Gulf of California, inhabiting deep waters at or close to the sea floor. Members of this genus are rather small, slim sharks with firm bodies and thick, rough skin. Their heads are usually fairly long and pointed, and have large mouths with well-developed furrows at the corners. They have large pectoral and anal fins, and two similar dorsal fins placed well back. Many species are ornately patterned with dark saddles and/or blotches. Sawtail catsharks feed on various invertebrates and fishes, and may be either egg-laying or live-bearing. These harmless sharks are sometimes caught as bycatch but are of minimal commercial value.
The broadnose wedgefish is a species of fish in the Rhinidae family. It is found in coastal and estuarine habitats in southeast Asia, where documented from Java, Borneo, Singapore, the Philippines and Thailand. It is threatened by habitat loss and overfishing. This is a medium-sized species of Rhynchobatus, which reaches a maximum length of about 2.15 m (7.1 ft).
Coralliozetus is a genus of chaenopsid blennies mostly found in the eastern Pacific Ocean with one species (C. cardonae) occurring in the western Atlantic Ocean. Additionally, one species (C. clausus) is endemic to Cocos Island, Costa Rica.
Chrysiptera springeri, commonly known as Springer's demoiselle, is a species of damselfish in the family Pomacentridae.
Biwia springeri is a species of ray-finned fish in the genus Biwia found in North and South Korea.
Figaro is a genus of catshark, and part of the family Scyliorhinidae. Until 2008, Figaro was generally considered to be a subgenus of Galeus. The two known species are found off Australia, inhabiting deep, offshore waters on or near the bottom. Figaro contains small, slender, firm-bodied sharks that bear distinctive crests of enlarged, spiny dermal denticles along the dorsal and ventral edges of their short caudal fins. The caudal peduncle is relatively long, such as that the anal and caudal fins are some distance apart. In adult males, the inner margins of the pelvic fins are fused together to form a subtle "apron" over the claspers. F. boardmani is a predator of fishes, crustaceans, and cephalopods, and is oviparous; less is known about the F. striatus. Both are harmless and are of no economic importance.
Scartella is a genus of combtooth blennies found in the Atlantic and Indian oceans.
Starksia is a genus of labrisomid blennies native to the western Atlantic Ocean and the eastern Pacific Ocean. Their typical length is 2 cm (0.79 in) SL. The generic name honours the American ichthyologist Edwin Chapin Starks (1867-1932) of Stanford University for his work on Pacific coastal fishes. As a genus Starksia is distinguished from other labrisomids by their scaled bodies, two obvious soft rays in the pelvic fin and the male's have an intromittent organ which is near to or attached to the first spine of their anal fins, which is also somewhat separated from the fin.
Starksia springeri, the Springer's blenny, is a species of labrisomid blenny endemic to the waters around Curaçao where it is found at depths of from 1 to 25 m. It was originally known as Starksia atlantica, and is also closely related to Starksia sangreyae. The species is named after Victor G. Springer, a scientist from Smithsonian Institution. Males can reach a length of 1.5 centimetres (0.59 in) SL while females grow to 1.9 cm (0.75 in).
Helcogramma springeri, known commonly as the Springer's triplefin, is a species of triplefin blenny in the genus Helcogramma. It was described by P.E. Hadley Hansen in 1986. The specific name honours the ichthyologist Victor G. Springer of the National Museum of Natural History. This species is found in the western Pacific Ocean from Indonesia and the Philippines to northern Australia, including the Great Barrier Reef.
Alabes is a genus of clingfishes endemic to Australia along the coasts of the Indian and Pacific Oceans. They are small, eel-like fishes with narrow tapering bodies and small heads.
Paraxenisthmus springeri is a species of fish in the genus Paraxenisthmus of the Xenisthmidae (wriggler) family, which is regarded as a synonymous with the Eleotridae, from the West Pacific. Its specific name honours the American ichthyologist Victor G. Springer of the U.S. National Museum for his contributions to fish systematics.
Paragunnellichthys is a genus of wormfishes native to the Indian Ocean and the western Pacific Ocean.
Pteropsaron is a genus of fish in the family Percophidae.
Biwia tama is a species of ray-finned fish in the genus Biwia found in Japan.
Biwia yodoensis is a species of ray-finned fish in the genus Biwia found in the Yodo River basin in Japan.
Biwia zezera is a species of ray-finned fish in the genus Biwia found in Japan.
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