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Atherinomorus lacunosus  (Forster, 1801)

Wide-banded hardyhead silverside
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Atherinomorus lacunosus   AquaMaps   Data sources: GBIF OBIS
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Image of Atherinomorus lacunosus (Wide-banded hardyhead silverside)
Atherinomorus lacunosus
Picture by FAO

Classification / Names Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii (ray-finned fishes) > Atheriniformes (Silversides) > Atherinidae (Silversides) > Atherinomorinae
Etymology: Atherinomorus: Greek, atherina, the Greek name for the eperlane + Greek, moros = silly, stupid (Ref. 45335).

Environment / Climate / Range Ecology

Marine; freshwater; brackish; reef-associated; depth range 1 - 39 m (Ref. 11897).   Subtropical; 32°N - 23°S, 38°E - 154°W

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 25.0 cm TL male/unsexed; (Ref. 48635)

Short description Morphology | Morphometrics

Dorsal spines (total): 5 - 8; Dorsal soft rays (total): 9-10; Anal spines: 1; Anal soft rays: 12 - 17; Vertebrae: 43 - 44. This species is distinguished by the following characters: lateral process of premaxilla very low and wide; upper margin of the dentary almost flat distally, no distinct tubercle at the posterior end; posterior tip of the upper jaw reaching to or beyond a vertical through anterior margin of the pupil, sometimes reaching to the center of pupil; small teeth on endopterygoids, not forming obvious ridges; the anus is near or usually behind the posterior tip of the pelvic fin; lower gill rakers 18-24; midlateral scale count 40-44; lower margin of midlateral band reaching below ventral end of the midlateral (third) scale row and reaching to almost the center of the fourth scale row at level of the anal fin origin (Ref. 58474).

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

Indo-Pacific: from East Africa to Tonga, north to southern Japan, and south to northern Australia; except Andaman Sea. Replaced by Atherinomorus insularum in the Hawaiian Islands (Ref. 37816).

Biology     Glossary (e.g. epibenthic)

Common in large schools along sandy shorelines and reef margins. Reported to be mainly a nocturnal species which usually forms schools (from several hundred to more than 100 m long and 20 m wide) (Ref. 9760). Feeds mostly at night when the school disperse. Feeds on a variety of planktonic crustaceans. Preyed upon by sharks, tunas, long toms, and amberjacks which swim alongside the school. Among its other predators are crested terns, gannets, sea-gulls and herons. Slow moving and not well regarded as bait. Extremely important as forage fish for larger species (Ref. 3302). Sold fresh, or salted and dried (Ref. 12484). Minimum depth reported taken from Ref. 57178.

Main reference Upload your references | References | Coordinator : Dyer, Brian S. | Collaborators

Kimura, S., D. Golani, Y. Iwatsuki, M. Tabuchi and T. Yoshino, 2007. Redescriptions of the Indo-Pacific atherinid fishes Atherinomorus forskalii, Atherinomorus lacunosus, and Atherinomorus pinguis. Ichth. Research 54(2):145-159.

IUCN Red List Status (Ref. 90363)

CITES (Ref. 94142)

Not Evaluated

Threat to humans

  Harmless




Human uses

Fisheries: commercial; bait: usually
FAO(Publication : search) | FisheriesWiki | Sea Around Us

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Internet sources

Alien/Invasive Species database | BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes (gen., sp.) | DiscoverLife | Faunafri | Fishtrace | GenBank(genome, nucleotide) | GOBASE | Google Books | Google Scholar | Google | IGFA World Record | iSpecies | National databases | PubMed | Scirus | SeaLifeBase | Tree of Life | uBio | Wikipedia(Go, Search) | World Records Freshwater Fishing | Zoological Record

Estimates of some properties based on empirical models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5005   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00759 (0.00428 - 0.01346), b=3.17 (3.01 - 3.33), based on LWR estimates for species & Subfamily-BS (Ref. 93245).
Trophic Level (Ref. 69278):  3.3   ±0.5 se; Based on diet studies.
Resilience (Ref. 69278):  Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153):  Low to moderate vulnerability (34 of 100) .
Price category (Ref. 80766):   Medium.