Classification / Names
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Atheriniformes (Silversides) >
Melanotaeniidae (Rainbowfishes, blue eyes)
Etymology: Melanotaenia: Greek, melan, -anos = black + latin, taenia = stripe (Ref. 45335); wokamensis: Named for its type locality, the Wokam Island.
Environment: milieu / climate zone / εύρος βάθους / distribution range
Οικολογία
; Γλυκού νερού βενθοπελαγικό. Tropical
Asia: Sungai Tunguwatu in Wokam Island, Aru Islands, Indonesia.
Μέγεθος / Βάρος / Age
Γεννητική Ωρίμανση: Lm ? range ? - ? cm
Max length : 7.6 cm SL αρσενικό/απροσδιόριστο; (Ref. 110723); 5.9 cm SL (female)
Short description
Κλείδες προσδιορισμού | Μορφολογία | Μορφομετρία
Ραχιαίες άκανθες (συνολικά) : 4 - 6; Μαλακές ραχιαίες ακτίνες (συνολικά) : 11 - 14; Εδρικές άκανθες: 1; Μαλακές εδρικές ακτίνες: 18 - 22. Melanotaenia wokamensis is distinguished by the following combination of characters: IV-VI-I,11-14 dorsal-fin rays; I,18-22 anal-fin rays; 12-14 (usually 13) pectoral-fin rays; 33-35 (rarely 35) scales on lateral line, 14-16 predorsal scales; 11-17 cheek scales; 15-17 total gill rakers on first arch; greatest body depth of adult male 34.4 % SL; color in life generally light blue on back with metallic reflections; dark blue midlateral stripe (1-2 scales wide), bordered with bold, relatively broad reddish to orange stripes; ventral portion of body greyish-white except bold dark-blue margins on
scales above anal fin and large, bright blue patch just behind and below pectoral-fin base; second dorsal and anal fins bluish with broad, reddish outer margin; caudal fin semitranslucent reddish (Ref. 110723).
Body shape (shape guide): fusiform / normal.
Inhabits streams that are typically narrow (about 3-5 m average width) limestone channels flowing through rainforest. Most common in deeper pools up to 1.5-2.0 m depth below the numerous cascades and small waterfalls (Ref. 110723).
Life cycle and mating behavior
Γεννητική Ωρίμανση | Αναπαραγωγή | Γεννοβολία | Αβγά | Γονιμότητα | Προνύμφες
Allen, G.R., R.K. Hadiaty, P.J. Unmack and M.V. Erdmann, 2015. Rainbowfishes (Melanotaenia: Melanotaeniidae) of the Aru Islands, Indonesia with descriptions of five new species and redescription of M. patoti Weber and M. senckenbergianus Weber. aqua, Int. J. Ichthyol. 21(2):66-108. (Ref. 110723)
IUCN Red List Status (Ref. 130435: Version 2025-1)
Threat to humans
Harmless
Human uses
αλιεία: με δυνητικό ενδιαφέρον; Ενυδρείο: Δυνητικό
Εργαλεία
Special reports
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Διαδικτυακές πηγές
Estimates based on models
Phylogenetic diversity index (Αναφ.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01122 (0.00514 - 0.02450), b=3.04 (2.87 - 3.21), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
Τροφικό Επίπεδο (Αναφ.
69278): 2.9 ±0.4 se; based on size and trophs of closest relatives
Ελαστικότητα (Αναφ.
120179): Μεσαίο(α), ελάχιστος χρόνος για διπλασιασμό πληθυσμού 1,4 - 4,4 έτη (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
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