Lifespan, longevity, and ageing
provided by AnAge articles
Maximum longevity: 56 years (wild)
Observations: Some estimates suggest these animals live over 56 years (Cailliet et al. 2001).
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- cc-by-3.0
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- Joao Pedro de Magalhaes
- editor
- de Magalhaes, J. P.
Diagnostic Description
provided by Fishbase
Snout low, slightly protruding beyond the large mouth, without a spinous terminal scute. Scales small, slightly oblong, with moderate-sized median ridge, without spines or with few weak spinules, and 0 to 5 much lower, non-spinulated ridges laterally on exposed field. Swim bladder small, with 2 retia mirabilia. Gray-brown on head and body, each scale with a prominent dark posterior border, fins and lateral line darker; black in mouth, gill cavity, and on peritoneum (Ref. 6885). Branchiostegal rays: 6-6; pyloric caeca: 12-16;
Life Cycle
provided by Fishbase
Oviparous (Ref. 36385).
Morphology
provided by Fishbase
Dorsal spines (total): 2; Dorsal soft rays (total): 7 - 9; Analspines: 0; Analsoft rays: 131
Trophic Strategy
provided by Fishbase
Feeds on fish, squids, crustaceans, echinoderms, and other invertebrates (Ref. 1371).
Biology
provided by Fishbase
Young apparently bathypelagic to some degree but become bathydemersal at a size of 50-60 cm (Ref. 1371). Adults feed mainly on cephalopods, fish and shrimps; other food items include ctenophores, echinoderms, worms, crabs, and amphipods (Ref. 1371). Oviparous, with planktonic larvae (Ref. 36385).
Importance
provided by Fishbase
fisheries: commercial
Habitat
provided by World Register of Marine Species
Known from seamounts and knolls
Stocks, K. 2009. Seamounts Online: an online information system for seamount biology. Version 2009-1. World Wide Web electronic publication.
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- cc-by-4.0
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- WoRMS Editorial Board