Australia country information

Common names: Northern bicoloured triplefin, Two-colour threefin
Occurrence: native
Salinity: marine
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Type locality, New Year I., Northern Territory, NTM S.10600-032 (holotype of Enneapterygius bichrous). Known from Ashmore Reef (12°10'S) and Cartier I., Timor Sea, Dampier Arch., WA (20°24'S) to Gove, NT (136°47'E), Lihou Reef, Coral Sea (17°37'S) and Ashmore Reef (10°20'S) to Escape Reef (15°49'S), QLD (Ref. 75154). Also Ref. 27223. Known from Queensland and Western Australia (Ref. 90102).
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/as.html
National Fisheries Authority: http://www.csiro.au/
Occurrences: Occurrences Point map
Main Ref: Hoese, D.F., D.J. Bray, J.R. Paxton and G.R. Allen, 2006
National Database:

Common names from other countries

Northern bicoloured triplefin, Yellownape triplefin, 黄顶双线鳚, ... more

Classification / Names Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa

Teleostei (teleosts) > Blenniiformes (Blennies) > Tripterygiidae (Triplefin blennies) > Tripterygiinae
Etymology: Enneapterygius: Greek, ennea = nine times + Greek, pterygion = little fin (Ref. 45335).

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

Marine; reef-associated; depth range 0 - 22 m (Ref. 27223). Tropical

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

Western Central Pacific.

Size / Weight / Age

Maturity: L_m ? range ? - ? cm
Max length : 3.2 cm TL male/unsexed; (Ref. 90102)

Short description Identification keys | Morphology | Morphometrics

Dorsal spines (total): 14 - 15; Dorsal soft rays (total): 8 - 10; Anal spines: 1; Anal soft rays: 17 - 18. Male dark grey with large yellow patch dorsally on head, and lower head and pectoral-fin base black. Female tan with 5 double brown bars on side. Both sexes with black bar at caudal-fin base preceded by white bar/saddle. Dorsal rays III + XI-XII + 8-10; anal rays I,17-18; pectoral rays 14-17; pelvic rays I,2; lateral line interrupted 15-17 + 17-22; head, chest, and pectoral-fin base scaleless; short orbital tentacle present; mandibular pores 3 + 1 + 3. Maximum size to 3.2 cm TL (Ref. 90102).

Adults occur on rocky substrates in association with coral reefs or coral reef lagoons, from shallow areas to the outer reef slope, also in intertidal rock pools (Ref. 13227, 27223). 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).

Life cycle and mating behavior Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | Larvae

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

Springer, V.G. and T.M. Orrell, 1996. Catalog of type specimens of recent fishes in the National Museum of Natural History, Smithsonian Institution, 5: Chaenopsidae, Clinidae, Dactyloscopidae, Labrisomidae, and Tripterygiidae. Smithson. Contrib. Zool. 576:38. (Ref. 13293)

IUCN Red List Status (Ref. 130435)

Least Concern (LC) ; Date assessed: 03 May 2010

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

FAO(Publication : search) | FishSource |

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Estimates based on models

Preferred temperature (Ref. 115969): 24.7 - 29.3, mean 28.5 (based on 2149 cells).

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00562 (0.00258 - 0.01228), b=3.08 (2.89 - 3.27), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).

Trophic level (Ref. 69278): 3.1 ±0.3 se; based on size and trophs of closest relatives

Resilience (Ref. 120179): High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).

Fishing Vulnerability (Ref. 59153): Low vulnerability (10 of 100).

Enneapterygius flavoccipitis Shen, 1994