Spot-stripe Dottyback

description

(Figures 2, 4 – 5; Table 1) Pseudochromis sp.; Michael, 2004: 139 – 140 (colour photos; sexual dimorphism; natural history

Pseudochromis lugubris and P. tonozukai, two new dottyback fish species from the Indo­Australian Archipelago (Perciformes: Pseudochromidae: Pseudochrominae)

description

Description. Dorsal­fin rays III, 25, all segmented rays branched; anal­fin rays III, 14 – 15 (III, 15), all segmented rays branched; pectoral­fin rays 17 – 18 (18 / 18); upper procurrent caudal­fin rays 6; lower procurrent caudal­fin rays 5 – 6 (5); total caudal­fin rays 28 – 29 (28); scales in lateral series 34 – 36 (35 / 36); anterior lateral­line scales 25 – 27 (26 / 27); anterior lateral line terminating beneath segmented dorsal­fin ray 18 – 19 (19 / 18); posterior lateral­line scales 7 – 13 + 0 – 1 (7 + 0 / 7 + 0); scales between lateral lines 3; horizontal scale rows above anal­fin origin 11 – 14 + 1 + 3 (11 + 1 + 3 / 12 + 1 + 3); circumpeduncular scales 16; predorsal scales 21; scales behind eye 3; scales to preopercular angle 5; gill rakers 6 + 12; pseudobranch filaments 11 – 12 (11); circumorbital pores 24 – 31 (24 / 25); preopercular pores 12 – 24 (13 / 12); dentary pores 4; posterior interorbital pores 1. Lower lip incomplete; dorsal and anal fins without distinct scale sheaths, though with scales intermittently overlapping fin bases; predorsal scales extending anteriorly to posterior nasal pores; opercle with 5 moderately distinct serrations; teeth of outer ceratobranc

Pseudochromis lugubris and P. tonozukai, two new dottyback fish species from the Indo­Australian Archipelago (Perciformes: Pseudochromidae: Pseudochrominae)

diagnosis

Diagnosis. The following combination of characters distinguishes P. tonozukai from all other pseudochromines: dorsal­fin rays III, 25; anal­fin rays III, 14 – 15; scales in lateral series 34 – 36; caudal fin rhomboid to trifurcate; and upper part of pectoral fin without small dark spot.

Pseudochromis lugubris and P. tonozukai, two new dottyback fish species from the Indo­Australian Archipelago (Perciformes: Pseudochromidae: Pseudochrominae)

discussion

Remarks. The specific epithet is for Takamasa Tonozuka, who first discovered the species and brought it to the attention of the second author.

Pseudochromis lugubris and P. tonozukai, two new dottyback fish species from the Indo­Australian Archipelago (Perciformes: Pseudochromidae: Pseudochrominae)