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: Enneapterygius: Greek, ennea = nine times + Greek, pterygion = little fin (Ref. 45335); sheni: Named for Prof. S.C. Shen, for his contribution to the systematics of marine fishes, inlcuding triplefins in Taiwan.
Environment: milieu / climate zone / depth range / distribution range
Marine; pelagic-neritic; depth range 3 - 12 m (Ref. 79877). Tropical
Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri
Nortwest Pacific: Taiwan.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 2.3 cm SL male/unsexed; (Ref. 79877)
Morphology | Morphometrics
soft rays: 17;
Vertebrae: 34. This species is distinguished from its congeners in having the following characters: D1 III, D2 XII, D3 9; A I,17; lateral line discontinuous, first series with 16-18 pored scales, second series 16-18 notched scales; mandibular pore system 4+1+4; supraorbital cirrus simple and broad; nasal cirrus simple and slender; first dorsal fin is equal to or higher than second; in males, head with a black mask, D1 and D2 and anal fins are entirely blackish; D2 with 4 black blotches and anal fin with 8-9 basal blackish-brown streaks in female; grayish-black opercle; caudal peduncle with a black streak (Ref. 79877).
Female members of the Tripterygiidae have eggs that 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
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Chiang, M.-C. and I.-S. Chen, 2008. Taxonomic review and molecular phylogeny of the triplefin genus Enneapterygius (Teleostei: tripterygiidae) from Taiwan, with descriptions of two new species. The Raffles Bull. Zool. 19:183-201. (Ref. 79877)
IUCN Red List Status (Ref. 120744)
CITES (Ref. 118484)
Threat to humans
CountriesFAO areasEcosystemsOccurrencesIntroductionsStocksEcologyDietFood itemsFood consumptionRation
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates based on models
Phylogenetic diversity index (Ref. 82805
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00550 (0.00248 - 0.01216), 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.).
Vulnerability (Ref. 59153
): Low vulnerability (10 of 100) .