taxonID	type	description	language	source
498D81F1E9A55CA3B6811604318DC1E1.taxon	description	English common name: fangtooth snake eel Spanish common name: Culebra colmilluda Fig. 1; Table 1	en	Del Moral-Flores, Luis Fernando, Wakida-Kusunoki, Armando T., Ramos-Hernández, Rafael, George-Zamora, Arturo (2024): First records of two species of snake eels, Aplatophis chauliodus and Ophichthus hyposagmatus (Actinopterygii: Anguilliformes: Ophichthidae), from Mexico. Acta Ichthyologica et Piscatoria 54: 103-108, DOI: 10.3897/aiep.54.119085
498D81F1E9A55CA3B6811604318DC1E1.taxon	description	Description. Morphometric data presented in Table 1. Body elongated, cylindrical, without scales. Head length 10.6 % of TL, its dorsal margin concave towards snout region; mouth large, with opening angle> 90 degrees; tongue black and fleshy; lower jaw length 40.6 % of HL; both jaws thin and elongated, bearing large canines; lower jaw with three anterior teeth; upper jaw with four on each side, vomer with one tooth, maxillary teeth in two rows. Snout short and pointed, length 11.7 % of HL. Eyes small with diameter 2.9 % of HL. Nostrils together, with anterior one tubular, situated in front and below eyes; posterior one elliptical. Trunk large and robust, length 37.5 % of TL, with its tail rigid, length 47.8 % of TL. Pectoral fin small, length 14.8 % of HL, slightly larger than gill slit. Cephalic pores: preoperculomandibular 6 + 2, infraorbital 4 + 2, supraorbital 1 + 2. Total vertebrae 108, predorsal vertebrae 15, preanal vertebrae 54.	en	Del Moral-Flores, Luis Fernando, Wakida-Kusunoki, Armando T., Ramos-Hernández, Rafael, George-Zamora, Arturo (2024): First records of two species of snake eels, Aplatophis chauliodus and Ophichthus hyposagmatus (Actinopterygii: Anguilliformes: Ophichthidae), from Mexico. Acta Ichthyologica et Piscatoria 54: 103-108, DOI: 10.3897/aiep.54.119085
AC082913CB3155568E8BB4D03F901C85.taxon	description	English common name: faintsaddled snake eel Spanish common name: Lairón menor Fig. 3; Table 1	en	Del Moral-Flores, Luis Fernando, Wakida-Kusunoki, Armando T., Ramos-Hernández, Rafael, George-Zamora, Arturo (2024): First records of two species of snake eels, Aplatophis chauliodus and Ophichthus hyposagmatus (Actinopterygii: Anguilliformes: Ophichthidae), from Mexico. Acta Ichthyologica et Piscatoria 54: 103-108, DOI: 10.3897/aiep.54.119085
AC082913CB3155568E8BB4D03F901C85.taxon	description	Description. Morphometric data presented in Table 1. Elongated body, without scales and cylindrical body on transverse axis; trunk shorter than tail region (34.6 % of TL); tail length 55.1 % of TL. Head length moderate, 10.6 % of TL; snout conical, length 20.5 % of HL, larger than eye diameter; eyes large, length 12.0 % of HL; interorbital region flat, its width 15.1 % of HL. Two nostrils, with anterior nostril tubular and posterior nostril covered by a flap. Mouth inferior, upper jaw slightly larger than snout, length 43.9 % of HL; both jaws with two rows of subequal conical teeth; series of vomerine teeth. Dorsal-fin origin above posterior part of pectoral fins, predorsal distance 13.3 % of TL; pectoral fins elongated and larger than eye, length 27.7 % of HL. Cephalic pores: preoperculomandibular 6 + 3, infraorbital 4 + 2, supraorbital 1 + 3. Total vertebrae 138, predorsal vertebral 12, preanal vertebral 55.	en	Del Moral-Flores, Luis Fernando, Wakida-Kusunoki, Armando T., Ramos-Hernández, Rafael, George-Zamora, Arturo (2024): First records of two species of snake eels, Aplatophis chauliodus and Ophichthus hyposagmatus (Actinopterygii: Anguilliformes: Ophichthidae), from Mexico. Acta Ichthyologica et Piscatoria 54: 103-108, DOI: 10.3897/aiep.54.119085
