Classification / Names
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Blenniiformes (Blennies) >
Tripterygiidae (Triplefin blennies) > Tripterygiinae
Etymology: Helcogramma: Greek, helkos, -eos, -ous = ulcer, sore + Greek, gramma = letter, mark (Ref. 45335); nesion: The specific epithet is from the Greek "nesion", meaning island. The name refers to the isolated island of scales on either side of the nape and is treated as Noun in apposition..
Environment: milieu / climate zone / depth range / distribution range
Écologie
marin benthopélagique; profondeur 3 - 10 m (Ref. 52308). Tropical
Distribution
Pays | Zones FAO | Écosystèmes | Occurrences | Point map | Introductions | Faunafri
Northwest Pacific: Japan and the Ogasawara Islands, Okino-shima at the south-western tip of Shikoku Island.
Taille / Poids / Âge
Maturity: Lm ?  range ? - ? cm
Description synthétique
Morphologie | Morphométrie
Épines dorsales (Total): 17 - 18; Rayons mous dorsaux (Total): 12-13; Épines anales 1; Rayons mous anaux: 20 - 22. With 1-2 symphysial mandibular sensory pores, second dorsal fin spines XIV, third dorsal fin segmented rays 11, last ribs on vertebral centrum 10, vertebrae 10+28 or 29=38 or 39, pored lateral line scales typically 25 to 27, nape scales absent, small isolated patch of scales on either side of nape, each patch surrounded by naked area.
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
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Williams, J.T. and J.C. Howe, 2003. Seven new species of the triplefin fish genus Helcogramma (Tripterygiidae) from the Indo-Pacific. aqua, J. Ichthyol. Aquat. Biol. 7(4):151-176. (Ref. 52308)
Statut dans la liste rouge de l'IUCN (Ref. 126983)
Menace pour l'homme
Harmless
Utilisations par l'homme
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