Hardyhead silverside (Atherinomorus lacunosus)

Scientific name: Atherinomorus lacunosus Forster, 1801

Hardyhead silverside (Atherinomorus lacunosus)

The Hardyhead silverside (Atherinomorus lacunosus) is a brackish-water fish of the family Atherinidae.

Biology

Dorsal spines (total): 5 - 8; Dorsal soft rays (total): 8-11; Anal spines: 1; Anal soft rays: 12 - 17; Vertebrae: 38 - 43. Distal end of upper jaw extending backward to vertical through anterior border of pupil; free edge of dentary bone almost flat, with no posterior elevation; scales in midlateral series 39-44. Ramus of premaxilla long, extending past vertical through anterior border of pupil. Anus at or in front of ventral tips. Four pit-like pores on dorsal surface of head, usually covered by large scale. Axillary scales large but usually shed. Body green, light yellow or brownish. Upper half of body always darker. Most scales edged with black. (see also ).

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name
Atherinomorus lacunosus
Family
Atherinidae (Silversides)
Order
Atheriniformes (Silversides)
Class
Actinopterygii (Ray-finned fishes)
Maximum length
25.0
Depth range
1–39 m (3–128 ft)
Environment
Marine; brackish; reef-associated; depth range 1 - 39 m
Climate
Subtropical
Distribution
Indo-Pacific: Red Sea and East Africa to the Hawaii, the Samoan and Phoenix islands, north to southern Japan and the Ogasawara Islands, south to Queensland, Australia and New Caledonia. Recently migrated into the eastern Mediterranean through the Suez Canal. Replaced by Atherinomorus insularum in the Hawaiian Islands.
Conservation status (IUCN)
Not Evaluated
Threat to humans
Harmless
Uses
Fisheries: commercial; bait: usually
Resilience
Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.)

Sources

Taxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.

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