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Teleostei (teleosts) > Argentiniformes (Marine smelts) > Opisthoproctidae (Barreleyes or spookfishes)
Etymology: Dolichopteryx: Greek, dolichos = long + Greek, pteryx, = wing, fin (Ref. 45335).

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

Marine; bathypelagic; depth range ? - 600 m (Ref. 58315). Deep-water

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

Northeast Atlantic: Hebrides Is,

Size / Weight / Age

Maturity: L_m ? range ? - ? cm
Max length : 6.6 cm SL male/unsexed; (Ref. 58315)

Short description Identification keys | Morphology | Morphometrics

Dorsal soft rays (total): 9; Anal soft rays: 8; Vertebrae: 41. The new species is characterized by the following: an elongate snout and head; small pouchlike eyes; an adipose fin; short dorsal fin base; anal fin base originating under dorsal fin base; a clear longitudinal suborbital brownish band extending forward from behind posterior margin of orbit to snout tip; and 41 (= 26+15) vertebrae. Total fecundity is low; the ovarian eggs number only 473, despite the ovary having developed ova. Ovarian eggs could be clearly subdivided into an 'undeveloped group' (0.1-0.7?mm diameter classes, n?=?405) and a 'developed group' (0.9-1.3?mm classes, n=68), based on their frequency distribution (Ref. 58272).

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

Main reference Upload your references | References | Coordinator | Collaborators

Fukui, A. and Y. Kitagawa, 2006. Dolichopteryx rostrata, a new species of spookfish (Argentinoidea: Opisthoproctidae) from the eastern North Atlantic. Ichthyol. Res. 53(1):7-12. (Ref. 58315)

IUCN Red List Status (Ref. 130435: Version 2024-1)

Least Concern (LC) ; Date assessed: 09 October 2018

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 composition
Food consumption
Food rations
Predators

Ecology
Ecology

Population dynamics
Growth parameters
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversion
Recruitment
Abundance

Life cycle
Reproduction
Maturity
Maturity/Gills rel.
Fecundity
Spawning
Spawning aggregations
Eggs
Egg development
Larvae
Larval dynamics

Distribution
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Anatomy
Gill area
Brain
Otolith

Physiology
Body composition
Nutrients
Oxygen consumption
Swimming type
Swimming speed
Visual pigments
Fish sound
Diseases & Parasites
Toxicity (LC50s)

Genetics
Genetics
Heterozygosity
Heritability

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Internet sources

Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5020 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00427 (0.00162 - 0.01126), b=3.10 (2.88 - 3.32), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).

Trophic level (Ref. 69278): 3.4 ±0.1 se; based on size and trophs of closest relatives

Resilience (Ref. 120179): Medium, minimum population doubling time 1.4 - 4.4 years (Fec=473).

Fishing Vulnerability (Ref. 59153): Low vulnerability (10 of 100).

Dolichopteryx rostrata Fukui & Kitagawa, 2006