Atherinomorus forskalii  (Rüppell, 1838)

Red Sea hardyhead silverside
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Atherinomorus forskalii   AquaMaps   Data sources: GBIF OBIS
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Image of Atherinomorus forskalii (Red Sea hardyhead silverside)
Atherinomorus forskalii
Picture by Bariche, M.

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: milieu / climate zone / depth range / distribution range Ecology

Marine; reef-associated.   Tropical

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

Western Indian Ocean: endemic to the Red Sea and has invaded the eastern Mediterranean through the Suez Canal.

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 13.3 cm SL male/unsexed; (Ref. 58474)

Short description Morphology | Morphometrics

Dorsal spines (total): 5 - 7; Dorsal soft rays (total): 8-10; Anal spines: 1; Anal soft rays: 11 - 15; Vertebrae: 40 - 44. This species is distinguished by the following set of characters: lateral process of premaxilla very low and wide; upper margin of dentary almost flat distally, no distinct tubercle at the posterior end; posterior tip of the upper jaw reaching to or exceeding a vertical through anterior margin of the pupil, and not reaching to a vertical through center of the pupil; teeth on endopterygoids large, forming distinct ridges; anus located around posterior tip of the pelvic fin; lower gill rakers 20-23; midlateral scale count 39-43; lower margin of midlateral band reaching to or just below ventral end of the midlateral (third) scale row at the level of the anal fin origin (Ref. 58474).

Biology     Glossary (e.g. epibenthic)

Feeds on zooplankton, small bottom-living invertebrates (Ref. 5980).

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

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. Ichthyol. Res. 54(2):145-159. (Ref. 58474)

IUCN Red List Status (Ref. 115185)

CITES (Ref. 115941)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless




Human uses

FAO(Publication : search) | FishSource |

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Estimates of some properties based on models

Preferred temperature (Ref. 115969): 24.7 - 29.4, mean 27.1 (based on 78 cells).
Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5005   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01122 (0.00514 - 0.02450), b=3.04 (2.87 - 3.21), in cm Total Length, based on all LWR estimates for this body shape (Ref. 93245).
Trophic Level (Ref. 69278):  3.3   ±0.4 se; Based on size and trophs of closest relatives
Resilience (Ref. 69278):  Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153):  Moderate vulnerability (37 of 100) .