Tactostoma macropus, Longfin dragonfish

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Tactostoma macropus Bolin, 1939

Longfin dragonfish
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Tactostoma macropus   AquaMaps   Data sources: GBIF OBIS
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drawing shows typical species in Stomiidae.

Classification / Names Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa

Teleostei (teleosts) > Stomiiformes (Lightfishes and dragonfishes) > Stomiidae (Barbeled dragonfishes) > Melanostomiinae
Etymology: Tactostoma: There is two interpretations; Greek, taktos, -e,-on = put in order + Greek, soma = body; or latin, tactus = touch, sense of touch + Greek, soma = body (Ref. 45335).

Environment: milieu / climate zone / depth range / distribution range Ecology

Marine; bathypelagic; depth range 30 - 2000 m (Ref. 28981). Deep-water; 66°N -

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

Northwest Pacific: Japan (Ref. 559); Kamchatka and Kuril Islands (Ref. 41668). Eastern Pacific: Bering Sea (Ref. 265) and the Gulf of Alaska to southern California, USA (Ref. 2850), southwards to central Baja California (Ref. 35904). Reported from Chile.

Length at first maturity / Size / Weight / Age

Maturity: Lm ?, range 30 - ? cm
Max length : 34.3 cm TL male/unsexed; (Ref. 4925)

Short description Morphology | Morphometrics

Dorsal spines (total): 0; Dorsal soft rays (total): 14-18; Anal spines: 0; Anal soft rays: 19 - 22; Vertebrae: 79 - 82. Jet black all over except for the dark gray on the posterior part of the lower jaw; when the thin epidermis is rubbed off, as is difficult to avoid, the dermis shows lead gray; young rich brown in color (Ref. 6885).

Biology     Glossary (e.g. epibenthic)

Mesopelagic migrating into epipelagic at night (Ref. 35904). Oviparous, with planktonic eggs and larvae (Ref. 35904).

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

Oviparous (Ref. 35904).

Main reference Upload your references | References | Coordinator | Collaborators

Eschmeyer, W.N., E.S. Herald and H. Hammann, 1983. A field guide to Pacific coast fishes of North America. Boston (MA, USA): Houghton Mifflin Company. xii+336 p. (Ref. 2850)

IUCN Red List Status (Ref. 130435)

  Least Concern (LC) ; Date assessed: 15 August 2019

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





Human uses

FAO - Publication: search | FishSource |

More information

Countries
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Ecosystems
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Ecology
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Common names
Synonyms
Metabolism
Predators
Ecotoxicology
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Fecundity
Eggs
Egg development
Age/Size
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Length-weight
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Otoliths
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Tools

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Special reports

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Summary page | Point data | Common names | Photos

Internet sources

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes: genus, species | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: genome, nucleotide | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | OceanAdapt | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | Tree of Life | Wikipedia: Go, Search | World Records Freshwater Fishing | Zoobank | Zoological Record

Estimates based on models

Preferred temperature (Ref. 123201): 0.3 - 6.7, mean 3.7 °C (based on 150 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 1.0000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00093 (0.00036 - 0.00241), b=3.06 (2.83 - 3.29), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Trophic level (Ref. 69278):  4.2   ±0.0 se; based on diet studies.
Generation time: 3.3 ( na - na) years. Estimated as median ln(3)/K based on 1 growth studies.
Resilience (Ref. 120179):  Medium, minimum population doubling time 1.4 - 4.4 years (K=0.3).
Fishing Vulnerability (Ref. 59153):  Low to moderate vulnerability (33 of 100).