The Ipnopidae (deepsea tripod fishes) are a family of fishes in the order Aulopiformes. They are small, slender fishes, with maximum length ranging from about 10 to 40 cm (3.9 to 15.7 in). They are found in temperate and tropical deep waters of the Atlantic, Indian, and Pacific Oceans.
| Ipnopidae | |
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| Unidentified tripod fish off the coast of Hawaii | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Order: | Aulopiformes |
| Family: | Ipnopidae T. N. Gill, 1884 |
| Genera | |
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A number of species, especially in the genus Bathypterois, have elongated pectoral and pelvic fins. In the case of the tripodfish, Bathypterois grallator, these fins are three times as long as the body — up to a meter in length — and are used for standing on the sea floor. Ipnopids either have tiny eyes, or very large eyes that lack any lens; in either case they have very poor vision and are unable to form an image.[1] Ipnopidae is a species of fish that have adapted to living in the deep. Their skeleton is flatter with reinforced bony heads on its fin rays and its pelvic fins are located through the tips of the pectoral fin rays.[2][3][4][5]
References
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- ^ Johnson, R.K.; Eschmeyer, W.N. (1998). Paxton, J.R.; Eschmeyer, W.N. (eds.). Encyclopedia of Fishes. San Diego: Academic Press. p. 125. ISBN 0-12-547665-5.
- ^ Prirodina, & Neyelov, A. V. (2020). The Osteological Features of Ipnops agassizii Garman, 1899
- ^ (Aulopiformes: Ipnopidae) from Bathyal and Ultra-Abyssal Depths of the Australia–New Zealand Region, with Remarks on the Biogeographical Significance of these Findings. Russian Journal of Marine Biology, 46(1), 22–28. https://doi.org/10.1134/S106307402001006X
- ^ Angulo, A., Bussing, W. A., & López, M. I. (2015). Occurrence of the tripodfish Bathypterois ventralis (Aulopiformes: Ipnopidae) in the Pacific coast of Costa Rica. Revista Mexicana De Biodiversidad, 86(2), 546–549. https://doi.org/10.1016/j.rmb.2015.04.025
- ^ “Tripod Fish.” Nature (London), vol. 240, no. 5379, 1972, pp. 284–284.
- Froese, Rainer; Pauly, Daniel (eds.). "Family Ipnopidae". FishBase. April 2012 version.
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