Abstract
Specimens of the hydromedusa Cnidocodon leopoldi Bouillon, 1978 were collected in waters off the northeast Brazilian coast between 7.4°S, 34.3°W and 8.7°S, 34.8°W. The genus can be distinguished from other anthomedusae by the presence of four marginal perradial bulbs having an adaxial nematocyst cushion and branched capitate tentacles, an umbrella with scattered nematocysts, and gonads around a cylindrical manubrium shorter than the umbrella. Specimens were assigned to C. leopoldi due the tentacles with 4-5 branches and the absence of ocelli on tentacle bulbs differing from the congeneric Cnidocodon ocellata Huang, Xu, Lin & Qiu, 2008. This study represents the first record of the species in the Atlantic Ocean.
Highlights
Medusae from the genus Cnidocodon Bouillon, 1978 are distinguished by the presence of four perradial bulbs having an adaxial nematocyst pad and a tentacle ending in a cluster of capi‐ tate branches, an umbrella with scattered stato‐ cysts, and gonads around a cylindrical manubri‐ um which is shorter than the umbrella (Bouillon, 1978; Bouillon et al, 2006). its medusae are recogniz‐ able, the phylogenetic position of the genus is still uncertain
The genus can be distinguished from other anthomedusae by the presence of four marginal perradial bulbs having an adaxial nematocyst cushion and branched capitate tentacles, an umbrella with scattered nematocysts, and gonads around a cylindrical manubrium shorter than the umbrella
Medusae from the genus Cnidocodon Bouillon, 1978 are distinguished by the presence of four perradial bulbs having an adaxial nematocyst pad and a tentacle ending in a cluster of capi‐ tate branches, an umbrella with scattered stato‐ cysts, and gonads around a cylindrical manubri‐ um which is shorter than the umbrella (Bouillon, 1978; Bouillon et al, 2006)
Summary
Medusae from the genus Cnidocodon Bouillon, 1978 are distinguished by the presence of four perradial bulbs having an adaxial nematocyst pad and a tentacle ending in a cluster of capi‐ tate branches, an umbrella with scattered stato‐ cysts, and gonads around a cylindrical manubri‐ um which is shorter than the umbrella (Bouillon, 1978; Bouillon et al, 2006). its medusae are recogniz‐ able, the phylogenetic position of the genus is still uncertain. Specimens of the hydromedusa Cnidocodon leopoldi Bouillon, 1978 were collected in waters off the northeast Brazilian coast between 7.4°S, 34.3°W and 8.7°S, 34.8°W.
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