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> Blenniiformes (Blennies) > Tripterygiidae (Triplefin blennies) > Tripterygiinae
Etymology: Helcogramma:Greek, helkos, -eos, -ous = ulcer, sore + Greek, gramma = letter, mark (Ref. 45335); randalli:The species is named in honour of John E. Randall, who collected all the known specimens and provided underwater and fresh photographs of specimens of this and other species. Eponymy: Dr John ‘Jack’ Ernest Randall Jr. [...] (Ref. 128868), visit book page.
पर्यावरण: पर्यावरण / जलवायु क्षेत्र / गहराई सीमा / वितरण सीमा पारिस्थितिकी
समुद्री बेनथोपिलाजिक; गहराई सीमा 2 - 12 m (Ref. 90102). Tropical
परिपक्व अवधि: Lm? range ? - ? cm Max length : 4.7 cm TL पुल्लिंग / अलिंग; (Ref. 90102)
संक्षिप्त वर्णन पहचान कुंजी | आकृति विज्ञान | मौरफोमैटरिक्स
A species of Helcogramma (sensu Hansen, 1986) with 14 symphisial mandibular sensory pore, second dorsal fin spines XIV-XV (one of 11 specimens with XIII), third dorsal fin segmented rays 11-12, last ribs on vertebral centrum 12, vertebrae modally 10+28=38 (value range: 10+27 to 29=37 to 39), pored lateral line scales modally 22 or 23 (value range: 22-25), nape scales present, male with thirs dorsal, caudal and anal fins dark and posterior half of body dark. Body shape (shape guide): elongated.
Adults are found in rocky boulders of exposed coasts (Ref. 90102). Eggs 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).
जीवन चक्र और संभोग व्यवहार परिपक्व अवधि | पुनरुत्पत्ति | मछलीऔ का अंडे देना | अंडे | उपजाऊपन | लार्वा
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)
आईयूसीएन रेड लिस्ट स्थिति (Ref. 130435: Version 2025-2 (Global))
जातिवृति विविधता सूचकांक (संदर्भ 82804): PD50 = 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).
ट्रॉफिक स्तर (संदर्भ 69278): 3.1 ±0.3 se; based on size and trophs of closest relatives
लौटाव (संदर्भ 120179): ऊंचा, न्यूनतम जनसंख्या दुगनी समय अवलागत 15 महीने। (Preliminary K or Fecundity.).
मछली पकड़ने की भेद्यता (Ref. 59153): Low vulnerability (10 of 100). 🛈
![Image of Helcogramma randalli (Randall\](/images/thumbnails/jpg/tn_Heran_m0.jpg "Image of Helcogramma randalli (Randall\")
![Image of Helcogramma randalli (Randall\](/images/thumbnails/jpg/tn_Heran_f0.jpg "Image of Helcogramma randalli (Randall\")