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

Teleostei (teleosts) > Trachichthyiformes (Roughies) > Diretmidae (Spinyfins)
Etymology: Diretmichthys: Greek, di = two + Greek, eretmos = oar + Greek, ichthys = fish (Ref. 45335).

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

Marine; bathypelagic; depth range 0 - 2100 m (Ref. 58018). Deep-water; 40°N - 40°S, 71°W - 154°W

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

Broadly distributed tropical and temperate species (Ref. 9927). Eastern Atlantic: off Morocco to Sierra Leone and from Angola to South Africa. Western Atlantic: Caribbean Sea (Ref. 6744); reported from Guianas (Ref. 13608). Western Indian Ocean: at about 38°S. Western Pacific: off Japan, China Sea, Arafura Sea (Ref. 9819), off Victoria, Australia (Ref. 6536) and New Zealand (Ref. 5755). Including west of Ireland, Flemish Cap, and Gulf of Maine (Moore, pers. comm.).

Size / Weight / Age

Maturity: L_m ? range ? - ? cm
Max length : 40.0 cm TL male/unsexed; (Ref. 6622)

Short description Identification keys | Morphology | Morphometrics

Dorsal spines (total): 0; Dorsal soft rays (total): 26 - 29; Anal spines: 0; Anal soft rays: 20 - 23. Adults greyish black in color (Ref. 6622). Tip of pelvic fin reaching origin of anal fin (Ref. 13608).

Juveniles found near the surface; adults mesopelagic below 500 m (Ref. 27121). May occur at depths greater than 2,000 m (Ref. 6536). Feed on small crustaceans and planktonic organisms (Ref. 27121). Breed all year round (Ref. 6744). Minimum depth range taken from Ref. 27000.

Life cycle and mating behavior Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | Larvae

Main reference Upload your references | References | Coordinator : Moore, Jon A. | Collaborators

Post, A., 1990. Diretmidae. p. 623-624. In J.C. Quero, J.C. Hureau, C. Karrer, A. Post and L. Saldanha (eds.) Check-list of the fishes of the eastern tropical Atlantic (CLOFETA). JNICT, Lisbon; SEI, Paris; and UNESCO, Paris. Vol. 2. (Ref. 6536)

IUCN Red List Status (Ref. 130435)

Least Concern (LC) ; Date assessed: 21 May 2013

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

FAO - Publication: search | FishSource |

More information

Trophic ecology
Food items
Diet compositions
Food consumptions
Food rations
Predators

Ecology
Ecology

Population dynamics
Growths
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversions
Recruitments
Abundances

Life cycle
Reproduction
Maturities
Fecundities
Spawnings
Spawning aggregations
Egg(s)
Egg developments
Larvae
Larval dynamics

Distribution
Countries
FAO areas
Ecosystems
Occurrences
Introductions
BRUVS - Videos

Anatomy
Gill areas
Brains
Otoliths

Physiology
Body compositions
Nutrients
Oxygen consumptions
Swimming type
Swimming speeds
Visual pigment(s)
Fish sounds
Diseases / Parasites
Toxicities (LC50s)

Genetics
Genetics
Electrophoreses
Heritabilities

Human related
Aquaculture systems
Aquaculture profiles
Strains
Ciguatera cases
Stamps, coins, misc.

Outreach
Collaborators

Taxonomy
Common names
Synonyms
Morphology
Morphometrics
Pictures

References
References

Tools

Special reports

Check for Aquarium maintenance | Check for Species Fact Sheets | Check for Aquaculture Fact Sheets

Download XML

Summary page | Point data | Common names | Photos

Internet sources

Estimates based on models

Preferred temperature (Ref. 123201): 4.5 - 13.9, mean 8.5 °C (based on 849 cells).

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 1.0625 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.01549 (0.00732 - 0.03276), b=3.00 (2.81 - 3.19), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).

Trophic level (Ref. 69278): 3.5 ±0.48 se; based on food items.

Fishing Vulnerability (Ref. 59153): Low to moderate vulnerability (30 of 100).

Back to Search

Random Species

Diretmichthys parini (Post & Quéro, 1981)