Saturday, July 1, 2023

[Ichthyology • 2023] Garra panitvongi • Species of Garra (Cypriniformes: Cyprinidae: Labeoninae) in the Salween River Basin with Description of An Enigmatic New Species from the Ataran River Drainage of Thailand and Myanmar


Garra panitvongi
 Tangjitjaroen, Randall, Tongnunui, Boyd & Page, 2023 

ปลาเลียหินหางแดง | Redtail Garra  ||  DOI: 10.11646/zootaxa.5311.3.3
 
Abstract
Garra panitvongi, new species, is described from the Ataran River drainage, Salween River basin, of southeastern Myanmar and western Thailand. It is the sixth species of Garra known from the Salween River basin and is readily distinguished from all congeners by the red-orange color of the body and caudal fin, and a pointed proboscis with a blue stripe on each side from the anterior margin of the orbit to the tip of the proboscis and with the stripes forming a V-shape. Garra panitvongi is known in the aquarium trade as the Redtail Garra. Descriptive information is provided on poorly known species of Garra in the Salween River basin, and Garra nujiangensis is transferred to Ageneiogarra.

Key words: Actinopterygii, teleost, phylogenetics, Zami River

Garra panitvongi,  THNHM-F021641, 67.8 mm SL, holotype; 
Thailand: Zami River basin: Kanchanaburi Province: Kasat River, 5.5 km NE Ban Thi Rai Pa [village], ..., 4 February 2020. 
Upper live, lower preserved.


(A) Type locality of Garra panitvongi and (B) G. panitvongi in Kasat River, Kanchanaburi Province, Thailand.
Photos in B by Nonn Panitvong.

Garra panitvongi, new species 
Redtail Garra, ปลาเลียหินหางแดง

Diagnosis. Garra panitvongi is easily distinguished from all other species of Garra by the red-orange color of the caudal fin and posterior one-fourth of the body (Fig. 3), and a pointed proboscis with a blue stripe on each side from the anterior margin of the orbit to the tip of the proboscis and with the stripes forming a V-shape (Fig. 4). It further differs from G. notata and G. salweenica, the only other species of Garra in the Salween River basin with a proboscis, by lacking conspicuous black spots at the base of the dorsal fin and large black spots or bands on the caudal fin. It further differs from G. salweenica in having fewer pectoral rays (14–15 vs.17–18).

Etymology. The specific name panitvongi, a noun in genitive case, is applied in recognition of the tremendous contributions made by Dr. Nonn Panitvong to our knowledge of fishes of Thailand, in particular through his book, “A Photographic Guide to Freshwater Fishes of Thailand” (Panitvong 2020).  facebook.com/ThaiFishBook

      

 
Weerapongse Tangjitjaroen, Zachary S. Randall, Sampan Tongnunui, David A. Boyd and Lawrence M. Page. 2023. Species of Garra (Cyprinidae: Labeoninae) in the Salween River Basin with Description of An Enigmatic New Species from the Ataran River Drainage of Thailand and Myanmar. Zootaxa. 5311(3); 375-392. DOI: 10.11646/zootaxa.5311.3.3