Berghia rissodominguezi Muniain & Ortea, 1999

Cetra, Nicolás & Roche, Andrea, 2023, Nudibranchia (Mollusca: Gastropoda) from San Matías Gulf, Northern Argentine Patagonia, Zootaxa 5244 (5), pp. 455-473 : 466-467

publication ID

https://doi.org/ 10.11646/zootaxa.5244.5.3

publication LSID

lsid:zoobank.org:pub:21F87739-7A95-4A6C-8887-A8E22A40120A

DOI

https://doi.org/10.5281/zenodo.7665844

persistent identifier

https://treatment.plazi.org/id/4D6287F0-9D47-1B4A-FF01-F9BF2B5D86E0

treatment provided by

Plazi

scientific name

Berghia rissodominguezi Muniain & Ortea, 1999
status

 

Berghia rissodominguezi Muniain & Ortea, 1999 View in CoL View at ENA

( Figures 6A, 6B View FIGURE 6 , 7A View FIGURE 7 )

Material examined. Argentina, Río Negro , Caleta Los Hornitos, two specimens, intertidal, 23/02/2017 (ESCM-Ma-37) .

Description. Length up to 30 mm. Body elongated, translucent white color, with oblique bright orange lines at the base of the cerata and rhinophores. Translucent cerata with white tip and a small, terminal cnidosac. Oral tentacles long, distal portion yellow. Rhinophores yellow ( Figure 6B View FIGURE 6 ). Radular formula 25 x 0.1.0 (ESCM-Ma-37). Rachidian teeth bicurved with up to 45 denticles on each side of the central triangular cusp ( Figure 7A View FIGURE 7 ).

Geographic distribution and depth range. Western Atlantic, from Florida to San Jose gulf, Argentina ( Muniain & Ortea 1999, Padula et al. 2011). Found in soft and intertidal bottoms under rocks up to 15 m depth.

Biology. The white egg mass is a cylindrical belt with up to four complete turns in a spiral. The egg mass is deposited on rocks ( Figure 6B View FIGURE 6 ).

Remarks. This species was described and illustrated by Muniain & Ortea (1999). It is a warm water species that extends its distribution to the Magallanes Province. This is the first record of the B. rissodominguezi in the San Matías gulf.

Kingdom

Animalia

Phylum

Mollusca

Class

Gastropoda

Order

Nudibranchia

SubOrder

Cladobranchia

Family

Aeolidiidae

Genus

Berghia

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