. Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum. ss* **^ %^ k. Neill & Co., Ltd. A Monograph of the Marine Fishes of South Africa. 427 2. Anal with more than 2 spines. a. Lower pectoral rays simple (Cirrhitiformes). i. D X 11-14 Cirrhitidae. ii. D XVI-XIX 23-33 .... Chilodactylidae. b. Lower pectoral rays branched. Body compressed. Ventrals not wide apart. Gill-openings not reduced. (Perci-formes) .... key to families (vide infra).II. Gills 3h. Head and body more or less compressed. A. A single nostril on each side (Pomacentriformes) . Amphiprionidae. B. Two nostri


. Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum. ss* **^ %^ k. Neill & Co., Ltd. A Monograph of the Marine Fishes of South Africa. 427 2. Anal with more than 2 spines. a. Lower pectoral rays simple (Cirrhitiformes). i. D X 11-14 Cirrhitidae. ii. D XVI-XIX 23-33 .... Chilodactylidae. b. Lower pectoral rays branched. Body compressed. Ventrals not wide apart. Gill-openings not reduced. (Perci-formes) .... key to families (vide infra).II. Gills 3h. Head and body more or less compressed. A. A single nostril on each side (Pomacentriformes) . Amphiprionidae. B. Two nostrils on each side (Labriformes). 1. Teeth separate, usually canine-like .... Teeth coalesced to form a pair of plates like a beak . Scaridae. Key to the SouthAfrican families of Perciformes. I. Without scaly process in axil of ventral fin. A. Fins with spines (sometimes absent in anal fin). 1. A single dorsal fin (see footnote *). a. Teeth normal, separate. i. Anal spines (if present) 3. a. Scales smooth. Mouth not very oblique. * Dorsal and anal fins not in a sheath.


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Keywords: ., bookcentury1800, bookdecade1890, booki, booksubjectnaturalhistory