Bloch & J. G. Schneider, 1801
It is characterized by being covered in hard, bony plates, which limit the flexibility of its body. It reaches up to 21 centimetres (8.3 in) in length, but is typically found at sizes of 10–15 centimetres (3.9–5.9 in). It features numerous barbells beneath a flattened head.
Hooknoses feed on small crustaceans, molluscs, brittle stars and worms. They spawn from February to May in the bases of kelps and whelks. The eggs take a long time to hatch. Very little else is known about the biology of this species.
- Agonus cataphractus (Linnaeus, 1758) FishBase 2015
- "Agonus cataphractus". Integrated Taxonomic Information System.
- Agonus cataphractus. (Linnaeus, 1758) . Retrieved through: World Register of Marine Species.
- "Agonus cataphractus". National Center for Biotechnology Information (NCBI).
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