Классификация / 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).
Environment: milieu / climate zone / depth range / distribution range
экология
морской донно-пелагический. Tropical; 11°S - 26°S, 32°E - 50°E (Ref. 75031)
Western Indian Ocean: Mozambique to Comoros.
Size / Вес / Возраст
Maturity: Lm ? range ? - ? cm
Max length : 3.1 cm SL самец/пол неопределен; (Ref. 75031)
Краткое описание
определительные ключи | морфология | морфометрия
колючие лучи спинного плавника (общее число) : 16; членистые (мягкие) лучи спинного плавника (общее число) : 10 - 11; колючие лучи анального плавника: 1; членистые (мягкие) лучи анального плавника: 18 - 20; позвонки: 34 - 36. Diagnosis: Dorsal fin III + XIII+ 10-11, first fin tall; anal fin I + 18-20; pectoral rays 15 (3+6+6); pelvic fin I, 2, spine short and hidden, segmented rays simple, partially united by membrane. Vertebrae 11 + 23-25. LL total lateral scales 37-38; tubed 24-30, ends below 3rd dorsal fin; transverse 9/7; nape, belly, and anterior of 1st dorsal fin base scaleless, caudal-fin base with 2-3 rows of scales. Mandibular pores 4+1+4. Lower labial folds narrow; upper lip inner margin crenulated. Orbital cirrus simple and pointed. Head length 3.4 in SL; eye 2.9, maxilla 2.2 in HL. Overall dark pink, with 3 orange spots at 2nd dorsal-fin base, and pink spots along midline and anal-fin base. Males masked black below eye. Females unmasked head; caudal peduncle with dark bar (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).
Life cycle and mating behavior
Maturities | размножение | Spawnings | Egg(s) | Fecundities | личинки
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)
Статус Красного Списка МСОП (Ref. 130435)
Использование человеком
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Estimates based on models
Phylogenetic diversity index (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).
Trophic level (Ref.
69278): 3.0 ±0.3 se; based on size and trophs of closest relatives
устойчивость к внешним воздействиям (Ref.
120179): высокий, минимальное время удвоения популяции до 15 месяцев (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
