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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.
Environment: milieu / climate zone / depth range / distribution range
Sinh thái học
Biển Cùng sống ở rạn san hô; Mức độ sâu 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.
Bộ gần gũi / Khối lượng (Trọng lượng) / Age
Maturity: Lm ? range ? - ? cm
Max length : 14.0 cm TL con đực/không giới tính; (Ref. 9710)
Các tia vây lưng cứng (tổng cộng) : 7; Các vây lưng mềm (tổng cộng) : 23 - 26; Tia cứng vây hậu môn: 1; Tia mềm vây hậu môn: 23 - 26; Động vật có xương sống: 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.
Occurs 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). Feeds on zooplankton while hovering 1 to 2 m above the bottom. Swims away from danger rather than retreat to its burrow.
Life cycle and mating behavior
Chín muồi sinh dục | Sự tái sinh sản | Đẻ trứng | Các trứng | Sự sinh sản | Ấu trùng
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)
IUCN Red List Status (Ref. 130435: Version 2024-1)
Threat to humans
Harmless
Human uses
Các nghề cá: Tính thương mại; Bể nuôi cá: Tính thương mại
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Estimates based on models
Preferred temperature (Ref.
123201): 25.8 - 29.3, mean 28.5 °C (based on 2808 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 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).
Mức dinh dưỡng (Ref.
69278): 3.4 ±0.45 se; based on food items.
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
Nutrients (Ref.
124155): Calcium = 110 [59, 190] mg/100g; Iron = 0.813 [0.483, 1.346] mg/100g; Protein = 18.2 [17.1, 19.3] %; Omega3 = 0.087 [0.047, 0.154] g/100g; Selenium = 24.3 [12.0, 52.6] μg/100g; VitaminA = 193 [65, 602] μg/100g; Zinc = 1.83 [1.23, 2.62] mg/100g (wet weight);
