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Teleostei > Blenniiformes (Blennies) > Tripterygiidae (Triplefin blennies) > Tripterygiinae
Etymology: Helcogramma:Greek, helkos, -eos, -ous = ulcer, sore + Greek, gramma = letter, mark (Ref. 45335); nigra:The specific epithet is from the Latin nigra meaning black. The name refers to the black fins of the males.
背棘 (总数) : 16 - 17; 背的软条 (总数) : 11 - 13; 臀棘: 1; 臀鳍软条: 19 - 21; 脊椎骨: 36 - 38. A species of Helcogramma (sensu Hansen, 1986) with 1-2 symphysial mandibular sensory pores, second dorsal fin spines XIII (two of 26 specimens with XIV), third dorsal fin segmented rays 10-12, last ribs on vertebral centrum 11, vertebrae modally 11+26=37 (value range: 11+25 to 27=36 to 38), pored lateral line scales modally 25 (value range: 23-29), nape scales absent, males with dorsal, caudal and anal fins dark. Body shape (shape guide): elongated. 一个 Helcogramma( sensu 汉森, 1986) 的种有 1-2 个 symphysial 颚骨感觉小孔，第二背鳍鳍棘 XIII(26 中的二标本用 XIV), 第三个背鳍片段了鳍条 10-12, 持续肋骨在椎骨的椎体 11 上, 脊椎骨典型地 11+26=37(价值排列: 11+25 到 27=36 到 38), 有细孔的侧线鳞片典型地 25(价值范围: 23-29), 后颈鳞片不存在, 雄性有背鳍、尾鳍与臀鳍深色的。
Adults inhabit exposed rocky and coralline boulders of 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). Minimum depth from Ref. 58018.
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)
世界自然保护联盟红皮书 (Ref. 130435: Version 2025-2 (Global))
