CERATOBREGMA HELENAE - (HOLLEMAN, 1987)
Picture courtesy of: Alain Daoulas
Actinopterygii (Gigaclass) > Actinopteri (Class) > Teleostei (Subclass) > Blenniiformes (Order) > Blennioidei (Suborder) > Tripterygiidae (Family) > Tripterygiinae (Subfamily) > Ceratobregma (Genus)
Helen's triplefin, Helena's spiny-eye triplefin, Orangebar triplefin, Orangebar threefin, Striped spiny-eye triplefin, 額角三鰭鳚, 条纹额角三鳍鳚,
Synonymes
Ceratobragma helenae (Holleman, 1987)
Ceratobregma striata (Fricke, 1991)
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Description
First dorsal spines (total): 3; Second dorsal spines (total): 15-16; Dorsal soft rays (total): 9-10; Anal spines: 2; Anal soft rays: 19-21 (usually: 20); Pectoral fins rays: 16, pectoral fin long, 9th ray extending to 12th or 13th spine of second dorsal fin; Inner pelvic fin rays extend to first anal fin ray; Lateral line anterior series: 15-17 tubed scales; Posterior series: 22-24 notched scales; Total lateral scales: 34-36 rows; Orbital and anterior nasal tentacles long and leaf-like. Males with 4 lateral ethmoid "horns"; Vertebrae: 11 + 26-27. Max. length: 3.5 cm SL. Depth range: 0 - 40 m.
Color
Reddish head with rose blotches and an olive green body with irregular light streaks and blotches.
Etymology
Ceratobregma: from Greek, keratos = a horn + from Greek, bregma = the front of the head. It is given for the "horns" males carry in front of their eyes.
helenae: the species is named for the wife of Wouter Holleman, Helen.
Original description: Ceratobregma helenae Holleman, 1987 - Type locality: shipwreck on northern coast, Christmas Island, Indian Ocean, 10°29'S, 105°40'E, depth 6-10 meters, 26 May 1978 : GR Allen & RC Steene.
Distribution
Eastern Indian Ocean, western Pacific: Christmas Island (Indian Ocean) and Malaysia east to Samoa and Tonga, north to Ryukyu Islands (Japan), south to northern Australia and New Caledonia.
Biology
Eggs are hemispherical and covered with numerous sticky threads that anchor them in the algae on the nesting sites. Larvae are planktonic which occur primarily in shallow, nearshore waters.
Similar species
Ceratobregma acanthops (Whitley, 1964) - Reported from Northeastern Australia.
Lepidonectes corallicola (Kendall & Radcliffe, 1912) - Reported from Eastern Pacific: Galapagos Islands.
Last update: 18, June 2022
Helen's triplefin, Helena's spiny-eye triplefin, Orangebar triplefin, Orangebar threefin, Striped spiny-eye triplefin, 額角三鰭鳚, 条纹额角三鳍鳚,
Synonymes
Ceratobragma helenae (Holleman, 1987)
Ceratobregma striata (Fricke, 1991)
--------------------------
Description
First dorsal spines (total): 3; Second dorsal spines (total): 15-16; Dorsal soft rays (total): 9-10; Anal spines: 2; Anal soft rays: 19-21 (usually: 20); Pectoral fins rays: 16, pectoral fin long, 9th ray extending to 12th or 13th spine of second dorsal fin; Inner pelvic fin rays extend to first anal fin ray; Lateral line anterior series: 15-17 tubed scales; Posterior series: 22-24 notched scales; Total lateral scales: 34-36 rows; Orbital and anterior nasal tentacles long and leaf-like. Males with 4 lateral ethmoid "horns"; Vertebrae: 11 + 26-27. Max. length: 3.5 cm SL. Depth range: 0 - 40 m.
Color
Reddish head with rose blotches and an olive green body with irregular light streaks and blotches.
Etymology
Ceratobregma: from Greek, keratos = a horn + from Greek, bregma = the front of the head. It is given for the "horns" males carry in front of their eyes.
helenae: the species is named for the wife of Wouter Holleman, Helen.
Original description: Ceratobregma helenae Holleman, 1987 - Type locality: shipwreck on northern coast, Christmas Island, Indian Ocean, 10°29'S, 105°40'E, depth 6-10 meters, 26 May 1978 : GR Allen & RC Steene.
Distribution
Eastern Indian Ocean, western Pacific: Christmas Island (Indian Ocean) and Malaysia east to Samoa and Tonga, north to Ryukyu Islands (Japan), south to northern Australia and New Caledonia.
Biology
Eggs are hemispherical and covered with numerous sticky threads that anchor them in the algae on the nesting sites. Larvae are planktonic which occur primarily in shallow, nearshore waters.
Similar species
Ceratobregma acanthops (Whitley, 1964) - Reported from Northeastern Australia.
Lepidonectes corallicola (Kendall & Radcliffe, 1912) - Reported from Eastern Pacific: Galapagos Islands.
Last update: 18, June 2022