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> Acropomatiformes (Oceanic basses) > Hemerocoetidae (Indo-Pacific duckbills)
Etymology: Dactylopsaron: Greek, daktyleys, -eos = a kind of grey mullet + Greek, psaron = with different colours, grey (Ref. 45335); dimorphicum: Named in reference to the sexual dimorphism observed in this species.

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

seewasser bathydemersal; tiefenbereich 240 - 345 m (Ref. 41739). Deep-water

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Southeast Pacific: western part of the Sala y Gomez Ridge, and at the junction between this ridge and the Nazca Ridge.

Size / Gewicht / Alter

Maturity: L_m ? range ? - ? cm
Max length : 2.9 cm SL Männchen/unbestimmt; (Ref. 41739)

Kurzbeschreibung Bestimmungsschlüssel | Morphologie | Morphometrie

Rückenflossenstacheln (insgesamt) : 3 - 5; Rückenflossenweichstrahlen (insgesamt) : 20 - 22; Afterflossenstacheln: 0; Afterflossenweichstrahlen: 23 - 25. Sexual dimorphism in the structure of the first dorsal fin, first ray thickened and very long in males, slender and short in females; large head, 2.3-2.6 times in SL (Ref. 41739).

Life cycle and mating behavior Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fecundity | Larven

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Parin, N.V., 1990. Percophid fishes (Percophidae) from the Sala y Gomez Ridge (Southeast Pacific). J. Ichthyol. 30(1):68-79. (Ref. 41739)

IUCN Rote Liste Status (Ref. 130435: Version 2024-1)

Nicht untersucht

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Bedrohung für Menschen

Harmless

Nutzung durch Menschen

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Estimates based on models

Preferred temperature (Ref. 123201): 4.4 - 12.6, mean 10.6 °C (based on 40 cells).

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm total length, based on all LWR estimates for this body shape (Ref. 93245).

Trophic level (Ref. 69278): 3.1 ±0.4 se; based on size and trophs of closest relatives

Widerstandsfähigkeit (Ref. 120179): hoch, Verdopplung der Population dauert weniger als 15 Monate. (Preliminary K or Fecundity.).

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

Dactylopsaron dimorphicum Parin & Belyanina, 1990