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Description
Cratena is a genus of aeolid nudibranchs in the family Facelinidae (subfamily Crateninae). The slugs are medium-sized, up to about 5 cm, and occur mainly in the Mediterranean and the warmer eastern Atlantic. They feed on hydroids such as Eudendrium, and C. peregrina is a characteristic Mediterranean species found from about 0-5 m downwards.
Identification
The body is translucent whitish with an orange or reddish patch in front of each rhinophore. The rhinophores are smooth with orange tips, and the oral tentacles are long, thin and white. The finger-like cerata are arranged in a curved front row with further rows behind, showing a reddish-orange digestive gland and pale white tips.
Species in this genus (3)
Share link: https://seaslugs.org.il/genus/Cratena/