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Benthodesmus elongatus  (Clarke, 1879)

Elongate frostfish
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Benthodesmus elongatus   AquaMaps   Data sources: GBIF OBIS
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Image of Benthodesmus elongatus (Elongate frostfish)
Benthodesmus elongatus
Picture by Fischer, L.G.

Classification / Names Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii (ray-finned fishes) > Perciformes (Perch-likes) > Trichiuridae (Cutlassfishes) > Aphanopodinae
Etymology: Benthodesmus: Greek, benthos = depth of the sea + Greek, desmos = bond, chain (Ref. 45335).

Environment / Climate / Range Ecology

Marine; benthopelagic; depth range 178 - 950 m (Ref. 6181).   Deep-water, preferred ?; 9°S - 44°S, 30°E - 26°W (Ref. 6181)

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

Atlantic, Indian and Pacific: off south Brazil and Argentina, Rio Grande Rise, southeastern Africa, Madagascar Ridge, southeastern Australia, New Zealand, Sala y Gomez Ridge.

Length at first maturity / Size / Weight / Age

Maturity: Lm ?, range 57 - ? cm
Max length : 100.0 cm TL male/unsexed; (Ref. 9351)

Short description Morphology | Morphometrics

Dorsal spines (total): 42 - 46; Dorsal soft rays (total): 99-108; Anal spines: 2; Anal soft rays: 91 - 98; Vertebrae: 151 - 159. Body silvery, jaws and opercle blackish. The inside of the mouth and gill cavities black.

Biology     Glossary (e.g. epibenthic)

Juveniles mesopelagic (Ref. 6181); also benthopelagic (Ref. 5951). Feeds on crustaceans (mainly prawns and euphausiids), small fishes (e.g. Maurolicus) and squid (Ref. 6202). Minimum depth reported from Ref. 36453.

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Batch spawners with 5,000 to 16,000 eggs per spawn.

Main reference Upload your references | References | Coordinator : Parin, Nikolay V. | Collaborators

Nakamura, I. and N.V. Parin, 1993. FAO Species Catalogue. Vol. 15. Snake mackerels and cutlassfishes of the world (families Gempylidae and Trichiuridae). An annotated and illustrated catalogue of the snake mackerels, snoeks, escolars, gemfishes, sackfishes, domine, oilfish, cutlassfishes,. scabbardfishes, hairtails, and frostfishes known to date. FAO Fish. Synop. 125(15):136 p. (Ref. 6181)

IUCN Red List Status (Ref. 109396)

  Not Evaluated 

CITES (Ref. 94142)

Not Evaluated

Threat to humans

  Harmless




Human uses

FAO(Publication : search) | FisheriesWiki | Sea Around Us

More information

Countries
FAO areas
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Ecology
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Common names
Synonyms
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Fecundity
Eggs
Egg development
Age/Size
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Length-weight
Length-length
Length-frequencies
Morphometrics
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Otoliths
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Summary page | Point data | Common names | Photos

Internet sources

BHL | Cloffa | BOLDSystems | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes (gen., sp.) | DiscoverLife | Faunafri | Fishtrace | GenBank(genome, nucleotide) | GOBASE | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | National databases | Otolith Atlas of Taiwan Fishes | PubMed | Scirus | SeaLifeBase | Tree of Life | Wikipedia(Go, Search) | World Records Freshwater Fishing | Zoological Record

Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5005   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00014 (0.00008 - 0.00026), b=3.10 (2.93 - 3.27), based on LWR estimates for this species & (Sub)family-body (Ref. 93245).
Trophic Level (Ref. 69278):  3.9   ±0.66 se; Based on food items.
Resilience (Ref. 69278):  Low, minimum population doubling time 4.5 - 14 years (tm=5-6).
Vulnerability (Ref. 59153):  High to very high vulnerability (66 of 100) .