Environment: milieu / climate zone / depth range / distribution range
Ekologi
marina. Tropical
Eastern Central Pacific: American Samoa and Pitcairn Island.
Size / Vikt / Age
Maturity: Lm ? range ? - ? cm
Max length : 4.0 cm TL hane/ej könsbestämd; (Ref. 9769)
Taggstrålar i ryggfenan (totalt) : 5 - 7; Mjukstrålar i ryggfenan (totalt) : 13 - 17; Taggstrålar i analfenan: 1; Mjukstrålar i analfenan: 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
Könsmognad | Reproduktion | Lek | Ägg | Fecundity | Larver
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 Red List Status (Ref. 130435: Version 2024-1)
Threat to humans
Harmless
Human uses
Fiskeri: saknar intresse
Verktyg
Special reports
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 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).
Trofisk nivå (Ref.
69278): 3.1 ±0.3 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
