Opisthonema berlangai Berry & Barrett, 1963

Galapagos thread herring

Catalog of Fishes (gen., sp.) | ITIS | CoL

Classification	Actinopterygii \| Clupeiformes \| Clupeidae
Synonyms	... more
Common names	Galapagos-trådsild, Herink galapážský, 加拉帕戈斯后丝鲱, ... more

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Image of Opisthonema berlangai (Galapagos thread herring)

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This map was computer-generated and has not yet been reviewed.

AquaMaps Data sources: GBIF OBIS

Main reference

Whitehead, P.J.P. 1985. (Ref. 188)
Other references | Biblio | Coordinator | Collaborators

Size / Weight / Age

Max length : 26.0 cm SL male/unsexed; (Ref. 188); common length : 18.0 cm SL male/unsexed; (Ref. 188)

Environment

Pelagic-neritic; marine; depth range 0 - 50 m (Ref. 188)

Climate / Range

Tropical; 3°N - 4°S, 94°W - 89°W (Ref. 188)

Southeast Pacific: endemic to the Galapagos Islands.
Countries | FAO areas | Ecosystems | Occurrences | Introductions

Short description

Dorsal spines (total): 0; Dorsal soft rays (total): 13 - 21; Anal spines: 0; Anal soft rays: 15 - 17. The filamentous last dorsal fin ray distinguishes this species from members of any other eastern Pacific clupeoid genus. Lower gill rakers 50 to 87 in fishes over 14 cm standard length (intermediate between O. medirastre with 41 to 69 and O. libertate with 63 to 110, but neither of these occur in the Galapagos Islands).

Forms schools.


IUCN Red List Status (Ref. 57073)	Threat to humans
Not Evaluated	Harmless

Human uses
Fisheries: subsistence fisheries


More information
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Internet sources

Estimation of some characteristics with mathematical models

Resilience (Ref. 69278)

High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.)


Vulnerability (Ref. 59153)	Price category (Ref. 80766)
Low to moderate vulnerability (31 of 100)	Low

Entered by Binohlan, Crispina B.

Modified by Kesner-Reyes, Kathleen

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Page last modified by : elaxamana, 15 July 2009

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