Gold-thread goatfish

diagnosis

Diagnosis Morphological characters Pectoral fins 16 (rarely 15); lateral-line scales 27; gill rakers 6 - 8 + 25 - 28 = 32 - 35; measurements in % SL, large-sized fish: body depth at first dorsal-fin origin 27 - 31; body depth at anus 22 - 25; caudal-peduncle depth 9.3 - 10; maximum head depth 24 - 29; head depth through eye 22 - 26; interorbital length 6.8 - 10; head length 35 - 37; snout length 17 - 19; postorbital length 10 - 12; orbit length 7.2 - 7.8; upper jaw length 14 - 16; barbel length 27 - 33; caudal-peduncle length 21 - 22; caudal-fin length 28 - 32; anal-fin height 15 - 18; pelvic-fin length 27 - 30; pectoral-fin length 25 - 27; height of second dorsal-fin spine 18 - 21; height of third dorsal-fin spine 22 - 23; height of second dorsal-fin ray 14 - 15 and height of ninth dorsal-fin ray 10 - 13; small-sized fish: body depth at first dorsal-fin origin 26 - 30; body depth at anus 21 - 24; caudal-peduncle depth 9.3 - 10; maximum head depth 23 - 26; head depth through eye 18 - 22; interorbital length 7.8 - 8.4; head length 32 - 35; snout length 15 - 16; postorbital length 11 - 12; orbit length 8.0 - 9.9; upper jaw length 13 - 14; barbel length 26 - 29; caudal-peduncle length

Taxonomic review of the “ posteli-species group ” of goatfishes (genus Parupeneus, Mullidae), with description of a new species from the northern Red Sea

discussion

Remarks This species shows considerable allometry in body shape with smaller-sized fish differing from larger-sized conspecifics in shallower and shorter head with shorter snout, jaws and barbels, larger eyes and longer caudal peduncle (Fig. 1; Tabs I, II).

Taxonomic review of the “ posteli-species group ” of goatfishes (genus Parupeneus, Mullidae), with description of a new species from the northern Red Sea

distribution

Distribution and size Hawaiian Islands and Johnston Island; 20 - 183 m depth; attains 20 cm SL.

Taxonomic review of the “ posteli-species group ” of goatfishes (genus Parupeneus, Mullidae), with description of a new species from the northern Red Sea

materials_examined

Material examined Paratypes (n = 5). – Central Pacific, Hawaiian Islands: BPBM 1703, 219 mm SL, Oahu, Honolulu; CAS 58518, 156 mm SL, Hilo, 19 ° 46 ’ N, 155 ° 05 ’ W; CAS 58520, 167 mm SL, same locality; SU 7476, 2, 95 - 96 mm SL, same locality. Non-types (n = 4). – Central Pacific, Hawaiian Islands: MNHN A- 3490, 1 (of 2), 166 mm SL; MNHN 1975 - 1064, 3, 67 - 114 mm SL, Oahu, N of Haleiwa, 21 ° 46 ’ N, 158 ° 07 ’ W.

Taxonomic review of the “ posteli-species group ” of goatfishes (genus Parupeneus, Mullidae), with description of a new species from the northern Red Sea