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Asterorhombus cocosensis  (Bleeker, 1855)

Cocos Island flounder
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Native range | All suitable habitat | Point map | Year 2100
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Asterorhombus cocosensis   AquaMaps   Data sources: GBIF OBIS
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Image of Asterorhombus cocosensis (Cocos Island flounder)
Asterorhombus cocosensis
Picture by FAO


Philippines country information

Common names: Dapang bilog
Occurrence: native
Salinity: marine
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Museum: Palawan, Putic I., 0 - 15 ft (0 - 4.6 m), USNM 260364. Ajong, Negros I., 0 - 8 ft (0 - 2.4 m), USNM 260365. Balicasag I., 0 - 80 ft (0 - 24.4 m), USNM 260366. Siquijor I., 0 - 35 ft (0 - 11 m), USNM 260367 (Ref. 11790). Also Ref. 9824.
National Checklist:
Country Information: httpss://www.cia.gov/library/publications/resources/the-world-factbook/geos/rp.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Cabanban, A., E. Capuli, R. Froese and D. Pauly, 1996
National Database:

Classification / Names

Actinopterygii (ray-finned fishes) > Pleuronectiformes (Flatfishes) > Bothidae (Lefteye flounders)
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL

Common names from other countries

Main reference

Size / Weight / Age

Max length : 12.0 cm SL male/unsexed; (Ref. 57759)

Environment

Marine; demersal; depth range 1 - 30 m (Ref. 57759)

Climate / Range

Tropical, preferred ?

Distribution

Indo-West Pacific: Mozambique to Fiji; north to Japan, south to Queensland, Australia (not occurring nonmarginally on the Pacific Plate).
Countries | FAO areas | Ecosystems | Occurrences | Introductions

Short description

Dorsal soft rays (total): 79-83; Anal soft rays: 59 - 64; Vertebrae: 35 - 36. This species is characterized by the following: body depth 51.5-58.3; sexual dimorphism in interorbital width, in specimens approximately 6.0 cm SL, males 4.1-7.9, females 3.2-5.0; first dorsal-fin ray isometric relative to SL, with distinct membranous structure confined to tip. Pectoral fin count at the ocular side 10-13, blind side 8-11. The membranous structure at the tip of the first dorsal fin resembles a small fish or crustacean (possibly a small hippolytid shrimp), authors called the ray the illicium and the structure at the tip as the esca (Ref. 57759).

Biology     Glossary (e.g. epibenthic)

Found on pale sandy substrates in clearwater coastal bays to outer reef lagoons and sandy gutters on reef flats. Often crawls over low stony reef (Ref. 48637). The membranous structure at the tip of the first dorsal fin resembles a small fish or crustacean (possibly a small hippolytid shrimp), authors called the ray the illicium and the structure at the tip as the esca. The illicium waves the esca back and forth near mouth to attract prey. Shows sexual dimorphism in width of the interorbital origin, wider in males than females. Most frequently collected by divers.

IUCN Red List Status (Ref. 115185)

Threat to humans

  Harmless



Human uses

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Internet sources

BHL | Check for other websites | Check FishWatcher | CISTI | DiscoverLife | ECOTOX | FAO(Publication : search) | GenBank(genome, nucleotide) | GOBASE | Google Books | Google Scholar | Google | IGFA World Record | iSpecies | PubMed | Scirus | Sea Around Us | SeaLifeBase | Tree of Life | uBio | uBio RSS | Wikipedia(Go, Search) | World Records Freshwater Fishing | Zoological Record | Fishtrace

Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805)
PD50 = 0.6250 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Trophic Level (Ref. 69278)
3.6   ±0.59 se; Based on food items.

Resilience (Ref. 69278)
Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.)

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