Radiicephalus elongatus Osório, 1917

Tapertail

Catalog of Fishes (gen., sp.) | ITIS | CoL

Classification	Actinopterygii \| Lampriformes \| Radiicephalidae
Synonyms	... more
Common names	Spitsstert, 长体细尾粗鳍鱼, Blækfisk, ... more

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Main reference

Aguiar, A. and J.-C. Quéro. 1990. (Ref. 4506)
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Size / Weight / Age

Max length : 76.0 cm TL male/unsexed; (Ref. 4506)

Environment

Pelagic-oceanic; marine; depth range 570 - ? m (Ref. 58018)

Climate / Range

Deep-water; 38°N - 40°S, 130°W - 20°E

Eastern Atlantic: off Morocco and the Azores (Ref. 6739) southward to Cape Point, South Africa (Ref. 6551). Eastern Pacific: present in the California Current region (Ref. 36609).
Countries | FAO areas | Ecosystems | Occurrences | Introductions

Short description

Dorsal spines (total): 0; Dorsal soft rays (total): 152 - 160; Anal spines: 0; Anal soft rays: 6 - 7; Vertebrae: 114 - 121. Body and tail silvery in color; dorsal base blackish (Ref. 6551). Branchiostegal rays: 4-6 (Ref. 36609). Pelvic fins absent in adults.

Mesopelagic species (Ref. 6808). Adults feed on lantern-fishes (Myctophidae) and possibly euphausiid crustaceans (Ref. 6739). Oviparous, with planktonic larvae (Ref. 36609). They have the ability to discharge dark brown fluid from the ink-sac when alarmed.


IUCN Red List Status (Ref. 57073)	Threat to humans
Not Evaluated	Harmless

Human uses


More information
Countries FAO areas Ecosystems Occurrences Introductions Ecology Diet Food items Food consumption Ration	Common names Synonyms Metabolism Predators Ecotoxicology Reproduction Maturity Spawning Eggs Egg development	Age/Size Growth Length-weight Length-length Length-frequencies Morphometrics Morphology Larvae Larval dynamics Recruitment	Other references Biblio Aquaculture Aquaculture profile Strains Genetics Allele frequencies Heritability Diseases Processing	Collaborators Pictures Stamps Sounds Ciguatera Speed Swim. type Gill area Otoliths Brains Vision

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Internet sources

Estimation of some characteristics with mathematical models

Resilience (Ref. 69278)


Vulnerability (Ref. 59153)	Price category (Ref. 80766)
Moderate to high vulnerability (50 of 100)	Not marketed/unknown

Entered by Torres, Armi G.

Modified by Kesner-Reyes, Kathleen

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Page last modified by : elaxamana, 15 July 2009

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