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Acanthuriformes (Surgeonfishes) >
Chaetodontidae (Butterflyfishes)
Etymology: Prognathodes: Greek, pro = first, in front of + Greek, gnathos = jaw (Ref. 45335); geminus: Name from Latin adjective for 'twin'; referring to its similarity in color to P. basabei> from the Hawaiian Islands..
Environment: milieu / climate zone / depth range / distribution range
Οικολογία
Θαλασσινό(ά) βενθικό(ς); εύρος βάθους 110 - 150 m (Ref. 120553). Tropical
Κατανομή
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Western Central Pacific: Caroline Is., Palau I.
Μέγεθος / Βάρος / Age
Maturity: Lm ?  range ? - ? cm
Max length : 7.1 cm SL αρσενικό/απροσδιόριστο; (Ref. 120553)
Short description
Κλείδες προσδιορισμού | Μορφολογία | Μορφομετρία
Ραχιαίες άκανθες (συνολικά) : 13; Μαλακές ραχιαίες ακτίνες (συνολικά) : 17 - 19; Εδρικές άκανθες: 3; Μαλακές εδρικές ακτίνες: 15; Σπόνδυλοι: 24. This species is distinguished by the following set of characters: D XIII, 17-19; A III,15; head 2.48-2.49 in SL; body depth 1.71-1.76 in SL; length of pelvic-fin spine 4.18-4.46 in SL. Colour of body white with three broad dark brown bands, the first intersecting the eye (Ref. 120553).
Occurs in association with limestone outcroppings on steep slopes and the type specimens were collected in an area with broken limestone rubble (Ref. 120553). FishBase common name coined by authors.
Life cycle and mating behavior
Maturities | Αναπαραγωγή | Spawnings | Egg(s) | Fecundities | Προνύμφες
Copus, J.M., R.L. Pyle, B.D. Green and J.E. Randall, 2019. Prognathodes geminus, a new species of butterflyfish (Teleostei, Chaetodontidae) from Palau. ZooKeys 835:125-137. (Ref. 120553)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
Εργαλεία
Special reports
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Διαδικτυακές πηγές
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = No PD50 data [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.02239 (0.01117 - 0.04486), b=3.02 (2.85 - 3.19), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Τροφικό Επίπεδο (Ref.
69278): 3.3 ±0.3 se; based on size and trophs of closest relatives
Ελαστικότητα (Ref.
120179): Υψηλό, ελάχιστος χρόνος για διπλασιασμό πληθυσμού < 15 μήνες (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).