Common names from other countries
Classificatie / 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); serendip: Named after Sri Lanka’s old Arabic name ‘Sarandib’, or ‘Serendip’ in English. Also named after serendipitous discovery of several new species. The epithet is used as a noun in apposition..
Environment: milieu / climate zone / depth range / distribution range
Ecologie
marien benthopelagisch. Tropical
Eastern Indian Ocean: Sri Lanka.
Grootte / Gewicht / Leeftijd
Maturity: Lm ? range ? - ? cm
Max length : 2.5 cm SL mannelijk / geslacht onbekend; (Ref. 75031)
Korte beschrijving
Morfologie | Morfometrie
Dorsale stekels (totaal): 16; Dorsale zachte stralen (totaal): 10; Anale stekels 1; Anale zachte stralen: 18 - 19; Wervels: 35. Diagnosis: A small (< 2.5 cm SL) species of the genus. Dorsal fin III + XIII+ 10, 1st fin low; anal fin I, 19; pectoral rays 16 (2+7+7); pelvic fin I, 2, spine short and hidden, segmented rays simple, partially united by membrane. Vertebrae 10+25. LL total lateral scales 37-38; tubed 20-22 (21), ends below junction of 2nd and 3rd dorsal fin; nape and anterior anal-fin bases scaleless, caudal-fin base with 2 rows of scales. Mandibular pores 4+1+4. Orbital cirrus pointed, small. Posterior margin of orbit and edges of occipital sensory canals with minute serrations. Head length 3.6 in SL; eye 2.8, maxilla 2.4 in HL. Live color not known. Male head with stripe below eyes, from upper lip to opercle and pectoral-fin base. Females with H-bars on body (Ref. 75031).
Collected from rocky bottoms (Ref. 75031). 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).
Levenscyclus en paargedrag
Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven
Holleman, W., 2007. Fishes of the genus Helcogramma (Blennioidei: Tripterygiidae) in the Western Indian Ocean, including Sri Lanka, with description of four new species. Smith. Bull. 7:51-81. (Ref. 75031)
Status op de Rode Lijst van het IUCN (Ref. 130435)
CITES (Ref. 128078)
Not Evaluated
Gebruik door de mens
Meer informatie
Lokale namenSynoniemenMetabolismePredatorenEcotoxicologieVoortplantingMaturiteitPaaienFecunditeitEierenOntwikkeling van de eieren
ReferentiesAquacultuurAquacultuurprofielKweeklijnenGeneticaElectrophoresesErfelijkheidZiektesVerwerkingMassaconversie
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Estimates based on models
Fylogenetische diversiteitsindex (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).
Trofisch niveau (Ref.
69278): 3.0 ±0.3 se; based on size and trophs of closest relatives
Weerstandsvermogen (Ref.
120179): Hoog, minimale populatieverdubbelingstijd minder dan 15 maanden (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
