Classification / Names
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Ovalentaria/misc (Various families in series Ovalentaria) >
Pomacentridae (Damselfishes) > Chrominae
Etymology: abruptus: Name from Latin referring to the very sharp demarcation between the dark body and the white caudal fin.
More on author: Randall.
Environment: milieu / climate zone / εύρος βάθους / distribution range
Οικολογία
Θαλασσινό(ά) Υφαλόφιλο(α); εύρος βάθους 0 - 22 m (Ref. 39287). Tropical
Eastern Central Pacific: endemic to Marquesas.Islands.
Μέγεθος / Βάρος / Age
Γεννητική Ωρίμανση: Lm ? range ? - ? cm
Max length : 5.4 cm SL αρσενικό/απροσδιόριστο; (Ref. 39287)
Short description
Κλείδες προσδιορισμού | Μορφολογία | Μορφομετρία
Ραχιαίες άκανθες (συνολικά) : 12; Μαλακές ραχιαίες ακτίνες (συνολικά) : 11 - 13; Εδρικές άκανθες: 2; Μαλακές εδρικές ακτίνες: 11 - 12; Σπόνδυλοι: 26. Body very dark gray-brown, depth 1.95-2.1 in SL. Caudal fin abruptly white. Narrow posterior part of dorsal and anal fins hyaline. Base of pectoral fins with a large black spot. Upper and lower spiniform procurrent caudal rays 2; upper and lower 2 branched caudal rays filamentous and often very long. Tube lateral line scales 16-18, rarely 16. Free margin of subopercle nearly reaching a vertical at rear margin of pupil.
Body shape (shape guide): short and / or deep; Cross section: compressed.
A shallow water species. Feeds on planktons (Ref. 89972). Diurnal species (Ref. 54980). Oviparous, distinct pairing during breeding (Ref. 205). Eggs are demersal and adhere to the substrate (Ref. 205). Males guard and aerate the eggs (Ref. 205).
Life cycle and mating behavior
Γεννητική Ωρίμανση | Αναπαραγωγή | Γεννοβολία | Αβγά | Γονιμότητα | Προνύμφες
Oviparous, distinct pairing during breeding (Ref. 205). Eggs are demersal and adhere to the substrate (Ref. 205). Males guard and aerate the eggs (Ref. 205).
Randall, J.E., 2001. Four new damselfishes (Perciformes: Pomacentridae) from the Marquesas Islands. Copeia 2001(1):92-107. (Ref. 39287)
IUCN Red List Status (Ref. 130435: Version 2025-1)
Threat to humans
Harmless
Human uses
Εργαλεία
Special reports
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Διαδικτυακές πηγές
Estimates based on models
Preferred temperature (Αναφ.
123201): 27.6 - 29, mean 28 °C (based on 103 cells).
Phylogenetic diversity index (Αναφ.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.02089 (0.00944 - 0.04623), b=2.98 (2.80 - 3.16), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Τροφικό Επίπεδο (Αναφ.
69278): 3.0 ±0.2 se; based on size and trophs of closest relatives
Ελαστικότητα (Αναφ.
120179): Υψηλό, ελάχιστος χρόνος για διπλασιασμό πληθυσμού < 15 μήνες (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
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Nutrients (Ref.
124155): Calcium = 179 [86, 319] mg/100g; Iron = 1.06 [0.59, 1.86] mg/100g; Protein = 18 [17, 19] %; Omega3 = 0.128 [0.066, 0.236] g/100g; Selenium = 20.5 [9.5, 44.6] μg/100g; VitaminA = 185 [51, 661] μg/100g; Zinc = 2 [1, 3] mg/100g (wet weight);
