Haliotrema cornigerum Zhukov, 1976

Mendoza-Franco, Edgar F., Tun, Mariela del Carmen Rosado, Anchevida, Allan de Jesus Duarte & Rodriguez, Rodolfo E. del Rio, 2018, Morphological and molecular (28 S rRNA) data of monogeneans (Platyhelminthes) infecting the gill lamellae of marine fishes in the Campeche Bank, southwest Gulf of Mexico, ZooKeys 783, pp. 125-161 : 125

Haliotrema cornigerum Zhukov, 1976

Haliotrema cornigerum Zhukov, 1976: 33-34, fig. 1; Kritsky et al. 2009b: 42 (transferred to Haliotrematoides ).

Type host.

Lutjanus synagris .

Present study.

L. synagris .

Locality/prevalence, mean abundance and intensity range.

San Francisco: 35 fish (mean TL 28.2 cm; range 20-35.7) infected of 70 examined (50 %); abundance, 3; intensity of infection, 1-7 worms. Seyba Playa: 24 fish (TL 28.4; 19.2-30.5) infected of 79 examined (30 %); abundance, 1; intensity of infection, 2-4. Champoton: 48 fish (TL 28.2; 24.7-30.5) infected of 75 examined (64 %); abundance, 14; intensity of infection, 1-21.

Supplementary observations

(measurements based on six specimens). Body 422 (320-545; 6) long; greatest width 65 (3). Haptor 60 (52-65; 5) wide. Pharynx 20 (18-23; 4) wide. MCO 56 (49-60; 6) long. Ventral anchor 40 (38-42; 6) long; dorsal anchor 53 (51-56; 10) long. Ventral bar 34 (33-34; 4) long; dorsal bar 30 (28-33; 5) long.

Comments.

Identification of present specimens is based on diagnosis provided by Kritsky et al. (2009b) which transferred this species from Haliotrema to Haliotrematoides on the basis of study of Zhukov’s (1976) original figures and those provided by Bosques-Rodríguez (2004). This species is characterized in having an inner spur on the dorsal anchor shaft and shaft of MCO having a proximal loop (see Kritsky et al. 2009). Haliotrematoides cornigerum is currently reported from L. synagris and L. mahogoni from the Bay of Campeche (Area Havana) and Puerto Rico ( Zhukov 1976, Bosques-Rodríguez 2004, Kritsky et al. 2009b). Recently, Montoya-Mendoza et al. (2016) reported E. cornigerum (voucher CNHE 10217), from L. synagris from Santiaguillo Reef, Veracruz (Gulf of Mexico). Examination of that voucher allowed us to confirm the species identity.

Specimens deposited.

Six reference specimens in the CNHE (10603).