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> Atheriniformes (Silversides) > Isonidae (Isonids)

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

seewasser. Tropical

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Eastern Central Pacific: American Samoa and Pitcairn Island.

Size / Gewicht / Alter

Maturity: L_m ? range ? - ? cm
Max length : 4.0 cm TL Männchen/unbestimmt; (Ref. 9769)

Kurzbeschreibung Bestimmungsschlüssel | Morphologie | Morphometrie

Rückenflossenstacheln (insgesamt) : 5 - 7; Rückenflossenweichstrahlen (insgesamt) : 13 - 17; Afterflossenstacheln: 1; Afterflossenweichstrahlen: 20 - 25. Ramus of the ascending process of premaxilla with slight rounded elevation representing postmaxillary process. Dorsal edge of opercle with notch but no process above it.

Inhabits surf and waves around rocky headlands and reefs. Nothing is known of the biology of this species (Ref. 9769).

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

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Ivantsoff, W., 1999. Isonidae. Surf sardines. p. 2140-2143. In K.E. Carpenter and V.H. Niem (eds.) FAO species identification guide for fishery purposes. The living marine resources of the Western Central Pacific. Volume 4. Bony fishes part 2 (Mugilidae to Carangidae). FAO, Rome. (Ref. 9769)

IUCN Rote Liste Status (Ref. 130435: Version 2024-2)

Nicht untersucht

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Bedrohung für Menschen

Harmless

Nutzung durch Menschen

Fischereien: nicht kommerziell

FAO - Publication: search | FishSource |

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Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5625 [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 ±0.3 se; based on size and trophs of closest relatives

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

Iso nesiotes Saeed, Ivantsoff & Crowley, 1993