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> Gobiiformes (Gobies) > Microdesmidae (Wormfishes) > Ptereleotrinae
Etymology: Ptereleotris:Greek, pteron = wing, fin + The name of a Nile fish, eleotris (Ref. 45335). More on authors: Jordan & Hubbs.
البيئة: الوسط / المنطقة المناخية / نطاق العمق / نطاق التوزيع البيئة
بحري مرتبطة بالشعاب; غير مهاجرة (Ref. 52884); نطاق العمق 0 - 30 m (Ref. 128797), usually 2 - 15 m (Ref. 27115). Tropical; 21°C - 27°C (Ref. 27115); 30°N - 30°S, 32°E - 150°W
Indo-Pacific: Red Sea and East Africa (Ref. 2798) to the Line and Society islands, north to the Ryukyu and Ogasawara islands, south to New South Wales, Lord Howe Island, and Rapa.
الحجم / وزن / العمر
النضج: Lm? range ? - ? cm Max length : 14.0 cm TL ذكر/ مختلط الجنس; (Ref. 9710)
الأشواك الظهرية (المجموع) : 7; الأشعة الظهرية الناعمة (المجموع) : 23 - 26; شوكة شرجية: 1; أشعه شرجية لينه: 23 - 26; فقرات: 26. Light bluish gray in life, shading posteriorly to black; snout blackish; operculum with iridescent blue markings. Chin with a low fleshy protuberance, narrowing posteriorly to a low longitudinal fold. Caudal fin lobes blackish to dark reddish, broad centro-posterior region of fin whitish to yellowish; 1st dorsal fin dull orangish; 2nd dorsal and anal fins largely blackish; pectoral base with an orange to orange-red bar edged in blue. Juveniles with an oval black spot larger than eye at lower base of caudal fin. Body shape (shape guide): elongated; Cross section: compressed.
Adults occur in outer reef slopes, also inhabits lagoons and bays. Usually in pairs as adults and in small aggregations as juveniles, Ref. 48637. Monogamous (Ref. 52884). They feed on zooplankton while hovering 1 to 2 m above the bottom. They swim away from danger rather than retreat to its burrow.
دورة الحياة وسلوك التزاوج النضج | التكاثر | وضع البيض | بيض | الخصوبة | اليرقات
Monogamous mating is observed as both obligate and social (Ref. 52884).
Randall, J.E. and D.F. Hoese, 1985. Revision of the Indo-Pacific dartfishes, genus Ptereleotris (Perciformes: Gobioidei). Indo-Pac. Fish. (7):36 p. (Ref. 528)
حالة القائمة الحمراء للاتحاد الدولي لحفظ الطبيعة والموارد الطبيعية (Ref. 130435: Version 2025-2 (Global))
درجة الحرارة المفضلة (مرجع 123201): 25.8 - 29.3, mean 28.5 °C (based on 2808 cells).
مؤشر التنوع الشُعبي الوراثي (مرجع 82804): PD50 = 0.5000 [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 (مرجع 69278): 3.4 ±0.45 se; based on food items.
ضعف الصيد (Ref. 59153): Low vulnerability (10 of 100). 🛈
