Ptereleotris evides, Blackfin dartfish : aquarium

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Ptereleotris evides (Jordan & Hubbs, 1925)

Blackfin dartfish
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Ptereleotris evides   AquaMaps   Data sources: GBIF OBIS
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Classification / Names Κοινά ονόματα | Συνώνυμα | Catalog of Fishes(Γένος, Είδη) | ITIS | CoL | WoRMS | Cloffa

> 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 Οικολογία

Θαλασσινό(ά) Υφαλόφιλο(α); εύρος βάθους 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

Κατανομή Χώρες | Περιοχές FAO | Οικοσυστήματα | Παρουσίες | Point map | Εισαγωγές | Faunafri

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.

Μέγεθος / Βάρος / Age

Maturity: Lm ?  range ? - ? cm
Max length : 14.0 cm TL αρσενικό/απροσδιόριστο; (Ref. 9710)

Short description Μορφολογία | Μορφομετρία

Ραχιαίες άκανθες (συνολικά): 7; Μαλακές ραχιαίες ακτίνες (συνολικά): 23-26; Εδρικές άκανθες 1; Μαλακές εδρικές ακτίνες: 23 - 26; Σπόνδυλοι: 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.

Βιολογία     Γλωσσάρι (π.χ. epibenthic)

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 Γεννητική Ωρίμανση | Αναπαραγωγή | Γεννοβολία | Αβγά | Γονιμότητα | Προνύμφες

Monogamous mating is observed as both obligate and social (Ref. 52884).

Main reference Upload your references | Αναφορές | Συντονιστής : Randall, John E. | Συνεργάτες

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)

  Least Concern (LC) ; Date assessed: 12 March 2015

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





Human uses


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