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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.
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
marina bentopelagisk; djupintervall 0 - 12 m (Ref. 52308). Tropical
Western Central Pacific: Tonga Islands and Fiji Islands.
Storlek / Vikt / Ålder
Könsmognad: Lm ?  range ? - ? cm
Max length : 4.3 cm SL hane/ej könsbestämd; (Ref. 52308); 4.0 cm SL (female)
Kort beskrivning
Bestämningsnycklar | Morfologi | Morfometri
Taggstrålar i ryggfenan (totalt) : 17 - 18; Mjukstrålar i ryggfenan (totalt) : 10 - 13; Taggstrålar i analfenan: 1; Mjukstrålar i analfenan: 19 - 22; Ryggkotor: 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.
Body shape (shape guide): elongated.
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).
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver
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)
Status på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
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Uppskattningar baserade på modeller
Önskad temperatur (Ref.
123201): 25.2 - 27.6, mean 26.4 °C (based on 216 cells).
Index för fylogenetisk mångfald (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00617 (0.00290 - 0.01310), b=3.04 (2.86 - 3.22), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trofisk nivå (Ref.
69278): 3.1 ±0.3 se; based on size and trophs of closest relatives
Resiliens (Ref.
120179): Hög, lägsta populationsfördubblingstid mindre än 15 månader (Preliminary K or Fecundity.).
Sårbarhet i fisket (Ref.
59153): Low vulnerability (10 of 100).
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