Alburnoides recepi

description

Description. General appearance is shown in Figure 4; morphometric and meristic data are given in Tables 1 and 2. Body deep and markedly compressed laterally. Caudal-peduncle slender and approximately 1.5 – 1.9 times in its length. Dorsal profile slightly convex, ventral profile more arched than dorsal profile. Predorsal length 1.8 – 2.1 times in SL. Prepelvic length 2.0 – 2.2 times in SL. Head deep and somewhat long, dorsal profile slightly convex at snout. Snout short, with pointed tip, smaller than eye diameter and about equal to interorbital width. Mouth slightly superior, without chin. The tip of the mouth cleft approximately at level of middle of pupil or above. Ventral keel between pelvic and anal fins well developed, completely scaleless. Lateral-line with 49 (2), 50 (3), 51 (1), 52 (10), 53 (3), 54 (6), 55 (4), 56 (3), 57 (1) or 58 (1) scales; 10 (3), 11 (24) or 12 (7) scales rows between lateral-line and dorsal-fin origin; 4 (10) or 5 (24) scales between lateral-line and anal-fin origin. Gill rakers 2 – 3 + 7 – 8 = 9 – 10 on first gill arch. Dorsal fin with 3 simple and 7 ½ (2) and 8 ½ (32) branched rays, outer margin straight or slightly convex, its origin at vertical in

Three new species of Alburnoides (Teleostei: Cyprinidae) from Euphrates River, Eastern Anatolia, Turkey

diagnosis

Diagnosis. Alburnoides recepi is distinguished from all the species of Alburnoides in Turkey and adjacent waters by the following combination of characters (none unique to the species): a well developed ventral keel between pelvic and anal fins, completely scaleless; body depth at dorsal-fin origin 29 – 34 % SL; caudal-peduncle depth 10 – 12 % SL and 1.5 – 1.9 times in its length; predorsal length 54 – 57 % SL; mouth slightly superior, the tip of the mouth cleft between level of middle of pupil and upper margin of pupil; dark grey stripe slightly distinct on anterior and posterior parts of body; Pigmentation of lateral-line is distinct anteriorly and posteriorly (Fig. 4); 47 – 56 + 2 – 3 lateral-line scales, 10 – 12 scale rows between lateral-line and dorsal-fin origin, 4 – 5 scale rows between lateral-line and anal-fin origin, 13 ½ – 16 ½ branched anal-fin rays; pharyngeal teeth 5.2 – 2.4, markedly hooked; number of total vertebrae 38 – 40, comprising 19 – 21 abdominal and 18 – 20 caudal vertebrae.

Three new species of Alburnoides (Teleostei: Cyprinidae) from Euphrates River, Eastern Anatolia, Turkey

distribution

Distribution and notes on biology. Alburnoides recepi is known only from the Merzimen Stream, drainage of Euphrates River, Persian Gulf basin (Fig. 1). It inhabits swift and clear flowing water over cobble and pebbles. Capoeta umbla (Heckel, 1843), Cyprinion macrostomum Heckel, 1843, Squalius sp., Oxynoemacheilus sp,. Garra rufa (Heckel, 1843), Garra variabilis (Heckel, 1843) have been collected with Alburnoides recepi.

Three new species of Alburnoides (Teleostei: Cyprinidae) from Euphrates River, Eastern Anatolia, Turkey

etymology

Etymology. The species is named for Recep Buyurucu, who has contributed greatly to our sampling for many years.

Three new species of Alburnoides (Teleostei: Cyprinidae) from Euphrates River, Eastern Anatolia, Turkey