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Axoclinus cocoensis  Bussing, 1991

Cocos triplefin
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| Native range | All suitable habitat | PointMap | Year 2100 |
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Axoclinus cocoensis   AquaMaps   Data sources: GBIF OBIS
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Image of Axoclinus cocoensis (Cocos triplefin)
Axoclinus cocoensis
Picture by Robertson, R.

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

Actinopterygii (ray-finned fishes) > Perciformes (Perch-likes) > Tripterygiidae (Triplefin blennies) > Tripterygiinae
Etymology: Axoclinus: Greek, axis = axis + Greek, klinein = sloping and bed, due to the four apophyses of sphenoid bone.

Environment / Climate / Range Ecology

Marine; demersal; depth range 7 - 8 m (Ref. 46206).   Tropical

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 3.5 cm TL male/unsexed; (Ref. 11482)

Short description Morphology | Morphometrics

Dorsal spines (total): 16; Dorsal soft rays (total): 9; Anal spines: 2; Anal soft rays: 18. Lateral line gradually descending from upper edge of gill cover to midlateral axis; lateral line with 21-26 tubed scales followed by 8-12 notched scales; total scales in longitudinal series 33-35; a small lanceolate cirrus on upper edge of eye. Head pink to reddish; side with 3 broad, dark brown bars with narrow, whitish spaces between them; a black band around base of caudal fin; caudal fin frequently black (Ref. 11482).

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

Eastern Central Pacific: Isla del Coco. A very similar but possibly undescribed species from the Revillagigedo Islands.

Biology     Glossary (e.g. epibenthic)

Adults inhabit shallow rocky areas. They feed on tiny invertebrates and algae (Ref. 11482). Eggs are hemispherical and covered with numerous sticky threads that anchor them in the algae on the nesting sites (Ref. 240). Larvae are planktonic which occur primarily in shallow, nearshore waters (Ref. 94114).

Main reference Upload your references | References | Coordinator : Fricke, Ronald | Collaborators

Fricke, R., 1997. Tripterygiid fishes of the western and central Pacific, with descriptions of 15 new species, including an annotated checklist of world Tripterygiidae (Teleostei). Theses Zool. 29:1-607.

IUCN Red List Status (Ref. 90363)

CITES (Ref. 94142)

Not Evaluated

Threat to humans

  Harmless




Human uses

FAO(Publication : search) | FisheriesWiki | Sea Around Us

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Internet sources

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 | PubMed | Scirus | SeaLifeBase | Tree of Life | uBio | Wikipedia(Go, Search) | World Records Freshwater Fishing | Zoobank | Zoological Record

Estimates of some properties based on empirical models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5156   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01202 (0.00398 - 0.03632), b=3.01 (2.76 - 3.26), based on LWR estimates for this Subfamily-BS (Ref. 93245).
Trophic Level (Ref. 69278):  2.8   ±0.26 se; Based on food items.
Resilience (Ref. 69278):  High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153):  Low vulnerability (10 of 100) .
Price category (Ref. 80766):   Unknown.