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); cerasina: The specific epithet is derived from the Greek "cerasinus", meaning of cherry, and refers to the cherry-red colour of the anal fin. Cerasina is treated as Noun in apposition..
Environment: milieu / climate zone / depth range / distribution range
Écologie
marin benthopélagique; profondeur 0 - 12 m (Ref. 52308). Tropical
Western Central Pacific: Tonga Islands and Fiji Islands.
Taille / Poids / Âge
Maturity: Lm ?  range ? - ? cm
Max length : 4.3 cm SL mâle / non sexé; (Ref. 52308); 4.0 cm SL (female)
Description synthétique
Morphologie | Morphométrie
Épines dorsales (Total): 17 - 18; Rayons mous dorsaux (Total): 10-13; Épines anales 1; Rayons mous anaux: 19 - 22; Vertèbres: 37 - 39. A species of Helcogramma (sensu Hansen, 1986) with 1-2 symphisial mandibular sensory pores, second dorsal fin spines XIV-XV (typically XIV), last ribs modally on vertebral centrum 12, vertebrae modally 11+27=38, 23-29 pored lateral line scales, nape without scales, and males with anal fin red in life becoming translucent in preservative.
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. 130435)
Menace pour l'homme
Harmless
Utilisations par l'homme
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Estimates based on models
Preferred temperature (Ref.
123201): 25.2 - 27.6, mean 26.4 °C (based on 216 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 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).
Niveau trophique (Ref.
69278): 3.1 ±0.3 se; based on size and trophs of closest relatives
Résilience (Ref.
120179): Haut, temps minimum de doublement de population inférieur à 15 mois (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).