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Ovalentaria/misc (Various families in series Ovalentaria) >
Pomacentridae (Damselfishes) > Chrominae
Etymology: Chromis: Greek, chromis = a fish, perhaps a perch (Ref. 45335); tweddlei: Name 'tweddlei' in honor of Mr. Denis Tweddle for his marine and freshwater fishes collections from southern Africa.
Lingkungan: lingkungan / zona iklim / kisaran kedalaman / jangkauan distribusi
Ekologi
laut berasosiasi dengan karang; kisaran kedalaman 214 - 219 m (Ref. 137466). Tropical
Western Indian Ocean: Mauritius.
Ukuran / Berat / umur
Kematangan: Lm ?  range ? - ? cm
Max length : 11.1 cm SL jantan/; (Ref. 137466)
deskripsi pendek
Kunci identifiaksi (pengenalan) | Morfologi | Morfometrik
Duri punggung (Keseluruhan (total)) : 4; duri punggung lunak (Keseluruhan (total)) : 13 - 14; Duri dubur: 2; Sirip dubur lunak: 13 - 14. This species is distinguished by the following set of characters: body depth 2.0-2.1 in SL; D XIV, 13-14; A II, 14 (rarely 13); pectoral-fin rays 20 (rarely 19); procurrent spiniform caudal-fin rays 2; tubed lateral-line scales 18-19; scales above lateral line to dorsal-fin origin 4; circumpeduncular scales 13-14; gill rakers 8-9 + 21-23, total gill rakers 29-32; maxilla ending at vertical at anterior margin of orbit; black caudal band tapering anteriorly (anterior edge v-shaped) the full length of the caudal peduncle; caudal fin yellow with black posterior margin; distal third of anal fin blackish; dorsal fin yellow; upper half of pectoral fin yellow (Ref. 137466).
Body shape (shape guide): short and / or deep; Cross section: compressed.
Siklus hidup dan perilaku kawin
Kematangan | Reproduksi, perkembang biakan | Pemijahan | telur-telur | Fekunditas | Larva
Lisher, M.W., S.T.F.L. Viana and O. Gon, 2024. Chromis tweddlei, a new deep-water species of damselfish (Pomacentridae) from the Cargados Carajos Bank, southwestern Indian Ocean. J Fish Biol. 106:1012-1020. (Ref. 137466)
Status IUCN Red List (Ref. 130435: Version 2025-2 (Global))
ancaman kepada manusia
Harmless
penggunaan manusia
Perikanan: tidak ada kepentingan
Alat, peralatan
laporan khas
muat turun XML
Sumber internet
Estimasi berdasarkan model
Indeks keanekaragaman filogenetik (Acuan 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.01820 (0.00822 - 0.04027), b=3.00 (2.82 - 3.18), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245). |
Tingkat Trofik (Acuan 69278) |
3.0 ±0.1 se; based on size and trophs of closest relatives |
Daya lenting (Acuan 120179) |
Tinggi, Waktu penggandaan populasi minimum kurang dari 15 bulan (Preliminary K or Fecundity.). |
Kerentanan Penangkapan Ikan (Ref. 59153) |
Low to moderate vulnerability (27 of 100). 🛈 |