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Revision of the Serranid Fishes of the Subtribe Pseudogrammina, with Descriptions of Five New Species

Identification KeyMonograph

Series: Indo-Pacific Fishes Volume: 26

By: John E Randall(Author), Carole C Baldwin(Author)

57 pages, 1 plates with 8 colour photos; 14 b/w photos, b/w line drawings and b/w distribution maps, 8 tables

Bishop Museum

Paperback | Apr 1997 | #70818
Availability: Usually dispatched within 1-2 weeks Details
NHBS Price: £27.99 $37/€31 approx

About this book

The subtribe Pseudogrammina (Serranidae: Epinephelinae: Grammistini) consists of 3 genera: the monotypic Aporops, Pseudogramma with 10 species, and Suttonia with 2. The Indo-Pacific Aporops bilinearis Schultz (A. japonicus Kamohara and A. allfreei Smith are synonyms) is distinct in lacking a pair of large pores in the interorbital, having an obliquely upward-directed preopercular spine (obliquely downward in Pseudogramma and Suttonia) and 18 caudal vertebrae (15-17 in other species, except one of 25 Suttonia lineata with 18). The Indo-Pacific Pseudogramma astigmum, n. sp., has 21-23 dorsal soft rays, usually 14 pectoral rays, and no large dark spot on opercle; P. australis, n. sp., from Easter Island to Tonga has a dermal flap dorsally on eye (present in eastern Pacific and western Atlantic species of Pseudogramma but not other Indo-Pacific species), and 2 rows of red dots extending from eye to surround dark opercular ocellus; the Easter Island population is regarded as a distinct subspecies, P. a. pasquensis, because of higher vertebral and pectoral-ray counts; P. axelrodi Allen and Robertson from Clipperton Island usually has 18 anal soft rays, 17 or 18 pectoral rays, and lacks dark longitudinal lines on body; P. erythreum, n. sp., described from one specimen taken in 30 m off Luzon, has 17 anal soft rays, 13 pectoral rays, 43 scales in longitudinal series, and is red with pink blotches; P. gregoryi (Breder) [P. bermudensis (Kanazawa) is a synonym], ranging from Bermuda to the Caribbean, has 18-19 dorsal soft rays, usually 15 anal soft rays, and 24-30 lateral-line scales; P. guineensis (Norman), known from one specimen from the Gulf of Guinea, is unique in its count of 18 pectoral rays and absence of canines at front of upper jaw; P. megamycterum, n. sp., from the northern Red Sea, has very long tubular anterior nostrils, 15 pectoral rays, and no dark spot on opercle; P. pectoralis, n. sp., described from one specimen from Luzon and one from Palau from about 20-40 m, has 18-19 anal soft rays, 13 pectoral rays, 52-53 scales in longitudinal series, long pectoral fins (2.56-2.85 in SL), and is yellow, shading to pale pink on head and ventrally; the common Indo-Pacific P. polyacanthum (Bleeker) [P. brederi (Hildebrand) is a synonym as a result of locality error] has 19-22 dorsal soft rays (22 only in Hawaii), 16-18 anal soft rays, 32-41 lateral-line scales, and 46-50 scales in longitudinal series; the Hawaiian population is regarded as a subspecies, P. p. hawaiiensis. P. thaumasium (Gilbert) from the Gulf of California to Colombia has 15-18 (usually 17) anal soft rays, 15-17 (usually 16) pectoral rays, and dark longitudinal lines following scale rows on body. Species of Suttonia lack cteni on edge of most scales, have numerous small mucous cells in the epidermis, and a pale median band from tip of chin to origin of dorsal fin; S. lineata from Hawaii and Tahiti to Cocos-Keeling Islands has 19-22 anal soft rays, 5-40 lateral-line scales, modally 17 caudal vertebrae, and small scales basally on inner surface of pectoral fins; S. suttoni from the Comoro Islands and Pemba lsland, Tanzania has 18-20 anal soft rays, 27-35 lateral-line scales, 16 caudal vertebrae, and no small scales basally on inner surface of pectoral fins.

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