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Ophidiiformes (Cusk eels) >
Dinematichthyidae (Viviparous brotula)
Etymology: Eusurculus: Name from Latin and Greek 'eu' for good or real and Latin 'surculus' for grapevine tendril, refers to the functional analogy with the pseudoclaspers and the specific shape of the inner pseudoclasper; pistillum: Name from Latin 'pistillum' for pistil, refers to the sucker-disk shape of the inner pseudoclasper, this resembles the shape of a flower’s pistil; noun in apposition.
More on authors: Schwarzhans & Møller.
Environment: milieu / climate zone / depth range / distribution range
البيئة
بحري مرتبطة بالشعاب; نطاق العمق 0 - 9 m (Ref. 76869). Tropical
Indo-West Pacific: Australia.
الحجم / وزن / العمر
Maturity: Lm ? range ? - ? cm
Max length : 4.9 cm SL ذكر/ مختلط الجنس; (Ref. 76869); 5.5 cm SL (female)
وصف مختصر
مفاتيح التعريف | الوصف الخارجي | قياسات المظهر الخارجي
الأشعة الظهرية الناعمة (المجموع) : 80 - 92; أشعه شرجية لينه: 60 - 70; فقرات: 43 - 47. This species possess the following distinguishing characters: D 80-92, A 60-70, D/A 25-32, V in D 2.1-2.4; vertebrae (12) 13-14+30-34=43-47, anterior nostril situated 1/3 to 1/3.5 distance from upper lip to aggregate distance to anterior margin of eye; free pseudoclaspers 2 pairs, outer pseudoclasper wing-shaped with broad base and distally widened supporter with indistinct anterior hook (covered by ligament), inner one stalked, with narrow base and distally with large, folded sucker-disk; cheek with 4-6 scale rows on upper part, 2-3 rows on lower; otoliths with distinct ostium and cauda, with colliculi separate or partly fused, otolith length to height is 2.2-2.4, ostial colliculum length to caudal colliculum length is 3-4 (Ref. 76869).
Collected from sublittoral area, with rocks, mud, corals and brown algae. It appears to be most common in reef environments, often on outer reefs, and avoid inshore and back reef areas (Ref. 76869).
Life cycle and mating behavior
النضج | التكاثر | وضع البيض | بيض | الخصوبة | Larvae
Schwarzhans, W. and P.R. Møller, 2007. Review of the Dinematichthyini (Teleostei: Bythitidae) of the Indo-west Pacific. Part III. Beaglichthys, Brosmolus, Monothrix and eight new genera with description of 20 new species. The Beagle, Records of the Museums and Art Galleries of the Northern Territory 23:29-110. (Ref. 76869)
IUCN Red List Status (Ref. 130435: Version 2024-2)
استخدامات بشرية
أدوات
تقارير خاصة
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مصادر علي الأنترنت
Estimates based on models
Preferred temperature (Ref.
123201): 24 - 29.4, mean 27.5 °C (based on 760 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
مستوى غذائي (Ref.
69278): 3.3 ±0.5 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
