POMACENTRUS NAGASAKIENSIS - (TANAKA, 1917)
Actinopterygii (Class) > Perciformes (Order) > Labroidei (Suborder) > Pomacentridae (Family) > Pomacentrus (Genus)
Blue-scribbled damsel, Blue-scribbled damselfish, Nagasaki damsel, Nagasaki damselfish, Sandy damsel, Speckled-fin damsel, Nagasaki-suzumedai, ナガサキスズメダイ, 나가사끼자리돔, 长崎雀鲷, 長崎雀鯛,
Synonymes
Pomacentrus arenarius (Allen, 1987)
Pomacentrus caudovittatus (Schmidt, 1931)
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Description
Dorsal spines (total): 13; Dorsal soft rays (total): 15-16; Anal spines: 2; Anal soft rays: 15-16. Blue to dark grey with darker scale margins, white tail, a dark spot at base of pectoral fin, wavy blue lines on face, dorsal fin rays tipped with black. Indistinct wavy lines on tail, anal fin and rear of dorsal fin. Max length: 11.0 cm TL. Depth range: 3 - 35 m.
Etymology
Pomacentrus: from Greek, poma, -atos = cover, operculum + from Greek, kentron = sting.
nagasakiensis: from Nagasaki the type locality in Japan.
Original description: Pomacentrus nagasakiensis Tanaka, 1917 - Type locality: Fish market in Nagasaki, Japan.
Distribution
Indo-West Pacific: Maldives and Sri Lanka to Palau, New Caledonia and Australia, to Japan and Ogasawara Islands.
Biology
Adults are found in sandy areas of both lagoon and seaward reefs. They occur in small groups with outcrops of soft coral patches or gorgonians. Feed primarily on zooplankton. Oviparous, males guard the nest. Eggs are demersal and adhere to the substrate. Courtship behavior during breeding includes signal jumps, enticement, chasing and skimming.
Blue-scribbled damsel, Blue-scribbled damselfish, Nagasaki damsel, Nagasaki damselfish, Sandy damsel, Speckled-fin damsel, Nagasaki-suzumedai, ナガサキスズメダイ, 나가사끼자리돔, 长崎雀鲷, 長崎雀鯛,
Synonymes
Pomacentrus arenarius (Allen, 1987)
Pomacentrus caudovittatus (Schmidt, 1931)
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Description
Dorsal spines (total): 13; Dorsal soft rays (total): 15-16; Anal spines: 2; Anal soft rays: 15-16. Blue to dark grey with darker scale margins, white tail, a dark spot at base of pectoral fin, wavy blue lines on face, dorsal fin rays tipped with black. Indistinct wavy lines on tail, anal fin and rear of dorsal fin. Max length: 11.0 cm TL. Depth range: 3 - 35 m.
Etymology
Pomacentrus: from Greek, poma, -atos = cover, operculum + from Greek, kentron = sting.
nagasakiensis: from Nagasaki the type locality in Japan.
Original description: Pomacentrus nagasakiensis Tanaka, 1917 - Type locality: Fish market in Nagasaki, Japan.
Distribution
Indo-West Pacific: Maldives and Sri Lanka to Palau, New Caledonia and Australia, to Japan and Ogasawara Islands.
Biology
Adults are found in sandy areas of both lagoon and seaward reefs. They occur in small groups with outcrops of soft coral patches or gorgonians. Feed primarily on zooplankton. Oviparous, males guard the nest. Eggs are demersal and adhere to the substrate. Courtship behavior during breeding includes signal jumps, enticement, chasing and skimming.