Notacanthidae
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Notacanthidae, the deep-sea spiny eels, are a family of fishes found worldwide below 125 m (410 ft), and as deep as 3,500 m (11,500 ft).
Their bodies are greatly elongated, though more tapered than in true eels. The caudal fin is small or nonexistent, while the anal fin is lengthy, as long as half of the total body length. They feed on animals attached to or living on the sea floor, such as sea anemones, echinoderms, molluscs, and worms.[3]
Although not true eels, these fish do have a similar leptocephalus larval form. However, while the larvae of true eels are about 5–10% of the length of the adult, those of deep-sea spiny eels can grow considerably larger than the adult, and shrink when they develop into their final form. Thus, while adults range from 20 cm (7.9 in) to 1.2 m (3.9 ft) in length, larvae of up to 1.8 m (5.9 ft) have been recorded.[3]
Genera
Notacanthidae includes the following extant genera, although Tilurus is known only from leptocephalus larvae:[4] Script error: No such module "TaxonList".
References
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- ^ Script error: No such module "Cite taxon".
- ^ Page Module:Citation/CS1/styles.css has no content.Van Der Laan, Richard; Eschmeyer, William N.; Fricke, Ronald (11 November 2014). "Family-group names of Recent fishes". Zootaxa. 3882 (1): 1–230. doi:10.11646/zootaxa.3882.1.1. PMID 25543675.
- ^ a b Page Module:Citation/CS1/styles.css has no content.McCosker, John F. (1998). Paxton, J.R.; Eschmeyer, W.N. (eds.). Encyclopedia of Fishes. San Diego: Academic Press. p. 86. ISBN 0-12-547665-5.
- ^ Template:Cof family
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