Actinopterygii (ray-finned fishes) > Perciformes
(Perch-likes) > Tripterygiidae
(Triplefin blennies) > Tripterygiinae
Etymology: Enneapterygius: Greek, ennea = nine times + Greek, pterygion = little fin (Ref. 45335).
Environment / Climate / Range
Marine; reef-associated; depth range 1 - 14 m (Ref. 88983), usually ? - 1 m (Ref. 88983). Tropical
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 2.5 cm SL male/unsexed; (Ref. 88983)
(total): 14 - 16;
soft rays: 17 - 18;
Vertebrae: 34 - 36. Dorsal fins III + XI-XIII + 9-10 (usually III + XII + 10); anal fin I, 17-18 (usually 18 rays); pectoral fin 15: 2-4 + 4-6 + 7 (usually 3+5+7). LL, pored scales12-14; notched scales 19-23 (usually 22-Red Sea, or 21- S. Africa east coast), starting at one scale row below the end of the pored series; longitudinal scale series 31; total lateral scales 31; transverse scales 3/6. Vertebrae 10 + 24-26. Dentary pores 3 + 1 + 3 ; head 3.2-3.8 in SL; eye 2.9-3.7 in head length; nape partially scaled, abdomen without scales, single row of scales at base of caudal fin; supratemporal sensory canal crescent-shaped; supraorbital cirrus small and pointed; first dorsal fin about equal in height to second in males, lower in females. Key features are: low first dorsal fin; brown and green radii around eye; males head and chest black, body yellow, while females body yellow-green body, head with brown stripe on nose and orange bar below eye (Ref. 57774, 88983).
Western Indian Ocean: Red Sea, along East African coast to southern Kwazulu-Natal, Mauritius, Seychelles, Comoros and St. Brandon Shoals; not recorded in Gulf of Oman.
Occurs in shallow, sheltered waters, on hard corals; found on the upper part of coral reefs, usually along the reef margin in depths of about 1 m, often on corals covered by low algae. Also found in bays or sheltered lagoons (Ref. 88983).
Holleman, W. and S.V. Bogorodsky, 2012. A review of the blennioid fish family Tripterygiidae (Perciformes) in the Red Sea, with description of Enneapterygius qirmiz, and reinstatement of Enneapterygius altipinnis Clark, 1980. Zootaxa 3152:36-60.
IUCN Red List Status (Ref. 90363)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
CollaboratorsPicturesStamps, CoinsSoundsCiguateraSpeedSwim. typeGill areaOtolithsBrainsVision
Estimates of some properties based on empirical models
Phylogenetic diversity index (Ref. 82805
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00794 (0.00348 - 0.01813), b=3.10 (2.90 - 3.30), based on LWR estimates for this Subfamily-BS (Ref. 93245
Trophic Level (Ref. 69278
): 3.0 ±0.3 se; Based on size and trophs of closest relatives
Resilience (Ref. 69278
): High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153
): Low vulnerability (10 of 100) .