Environment: milieu / climate zone / depth range / distribution range
Marine; pelagic-neritic; depth range - m (Ref. ), usually - m (Ref. ). Tropical; 0°C -
Eastern Central Pacific: American Samoa and Pitcairn Island.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 4.0 cm TL male/unsexed; (Ref. 9769)
Morphology | Morphometrics
(total): 5 - 7;
soft rays: 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
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
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. 124695)
Threat to humans
Fisheries: of no interest
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass conversion
Estimates based on models
Phylogenetic diversity index (Ref. 82805
= 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 ±0.4 se; based on size and trophs of closest relatives
Vulnerability (Ref. 59153
): Low vulnerability (10 of 100) .