Hydrolagus

• Main Authors: Soto, Jules M. R., Vooren, Carolus M.
• Format: Text
• Language: unknown
• Published: Zenodo 2004
• Subjects: Biodiversity; Taxonomy; Animalia; Chordata; Holocephali; Chimaeriformes; Chimaeridae; Hydrolagus; Jules; Alberti; North Atlantic
• Online Access: https://dx.doi.org/10.5281/zenodo.6270713; https://zenodo.org/record/6270713

Key to the western Atlantic Hydrolagus species [Modified from Bigelow and Schroeder (1953) and Didier (2004)] 1 a. Upper margin of second dorsal fin straight..................................................... H. alberti 1 b. Upper margin of second dorsal fin notably concave at middle region of second dorsal fin base.......................................................................................................................... 2 2 a. Body pale brown, without reticulations and spots; ventral base of pectoral fin darkish brown; eye length nearly equal to preorbital length; dorsal spine length 4 / 5 of head length; pelvic claspers in males divided for nearly 1 / 2 their length............ H. mirabilis 2 b. Brown coloration with reticulations and spots covering dorsoventrally the body; ventral base of pectoral fin whitish; eye length about 2 / 3 of preorbital length; dorsal spine : Published as part of Soto, Jules M. R. & Vooren, Carolus M., 2004, Hydrolagus matallanasi sp. nov. (Holocephali, Chimaeridae) a new species of rabbitfish from southern Brazil, pp. 1-10 in Zootaxa 687 on page 8, DOI: 10.5281/zenodo.169415 : {"references": ["Bigelow, H. B. & Schroeder, W. C. (1953) Chimaeroids. In: Tee-van, J., Breder, C. M., Parr, A. E., Schroeder, W. C. & Schultz, L. P. (Eds), Fishes of the Western North Atlantic. Part 2. Sawfishes, Guitarfishes, Skates and Rays, Chimaeroids. Yale University. Sears Foundation for Marine Research, New Heaven. pp. 515 - 562.", "Didier, D. A. (2004) Phylogeny and classification of extant Holocephali. In: Carrier, J. C., Musick, J. A. & Heithaus, M. R. (Eds.) Biology of Sharks and Their Relatives. CRC Press, Boca Raton, pp. 115 - 135."]}