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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 / kisaran kedalaman / distribution range
Ekologi
laut bentopelagis. Tropical
Eastern Indian Ocean: Sri Lanka.
Size / Weight / umur
Kematangan: Lm ? range ? - ? cm
Max length : 2.5 cm SL jantan/; (Ref. 75031)
deskripsi pendek
Kunci identifiaksi (pengenalan) | Morfologi | Morfometrik
Duri punggung (Keseluruhan (total)) : 16; duri punggung lunak (Keseluruhan (total)) : 10; Duri dubur: 1; Sirip dubur lunak: 18 - 19; vertebrata, bertulang belakang: 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).
Body shape (shape guide): elongated.
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).
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 IUCN Red List (Ref. 130435: Version 2025-1)
penggunaan manusia
Alat, peralatan
laporan khas
muat turun XML
Sumber internet
Estimates based on models
Phylogenetic diversity index (Acuan
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00617 (0.00288 - 0.01322), b=3.04 (2.86 - 3.22), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trophic level (Acuan
69278): 3.0 ±0.3 se; based on size and trophs of closest relatives
Daya lenting (Acuan
120179): Tinggi, Waktu penggandaan populasi minimum kurang dari 15 bulan (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
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