| Doto amyra | |
|---|---|
 | |
| Doto amyra from Pillar Point, CA | |
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Subclass: | Heterobranchia |
| Order: | Nudibranchia |
| Suborder: | Cladobranchia |
| Family: | Dotidae |
| Genus: | Doto |
| Species: | D. amyra |
| Binomial name | |
| Doto amyra Marcus, 1961 [1] | |
Doto amyra, or the hammerhead doto, is a species of very small or minute sea slug, a nudibranch, a shell-less marine gastropod mollusk in the family Dotidae. [2]
This species occurs from Alaska to Baja California, Mexico.
This nudibranch reaches a maximum size of 14 mm, but commonly it is under 10 mm in adult size. [3]
The body is colourless, but the cerata are coloured due to the digestive glands inside them. The colour of the digestive gland can be creamy yellow to orange-red to brown, depending on the colour of the hydroids that an individual specimen has been eating. [4] Compared with Doto kya and Doto columbiana this species lacks any dark pigment on the body. [5] [6]
This nudibranch feeds on hydroids. It has been reported apparently feeding on a variety of species including Garveia sp., Bougainvilliidae, Abietinaria spp., Sertulariidae as well as a plumulariid hydroid. [7] This may be evidence of a species complex rather than a single species. [8] It in unusual in having a form of development where the eggs are large compared with most Doto species and therefore larvae which settle after only a few days in the plankton. [9]
Cerata, singular ceras, are anatomical structures found externally in nudibranch sea slugs, especially in aeolid nudibranchs, marine opisthobranch gastropod mollusks in the clade Aeolidida. The word ceras comes from the Greek word "κέρας", meaning "horn", a reference to the shape of these structures.
Doto pita is a species of sea slug, a small nudibranch, a shell-less marine gastropod mollusc in the family Dotidae.
Flabellina affinis is a species of sea slug, an aeolid nudibranch, a marine gastropod mollusk in the family Flabellinidae.
Rostanga pulchra is a species of sea slug, a dorid nudibranch, a shell-less marine gastropod mollusk in the family Discodorididae.
Cadlina flavomaculata, common name the yellow-spot cadlina, is a species of colourful sea slug, a dorid nudibranch, a shell-less marine gastropod mollusk in the family Cadlinidae.
Mexichromis is a genus of colourful sea slugs, dorid nudibranchs, shell-less marine gastropod mollusks in the family Chromodorididae. Current synonymy follows a revision of Chromodorididae which used molecular phylogeny.
Hypselodoris regina is a conspicuous species of sea slug or dorid nudibranch, a marine gastropod mollusk in the family Chromodorididae.
Mexichromis tura is a species of sea slug, a dorid nudibranch, a shell-less marine gastropod mollusk in the family Chromodorididae.
Coryphella verrucosa, is a species of sea slug, an aeolid nudibranch, a marine gastropod mollusc in the family Coryphellidae.
Apata pricei is a species of sea slug, an aeolid nudibranch, a marine heterobranch mollusc in the family Apataidae.
Samla telja is a species of sea slug, an aeolid nudibranch, a marine heterobranch mollusc in the family Samlidae.
Doto fragilis is a species of sea slug, a Dendronotid nudibranch, a marine gastropod mollusc in the family Dotidae.
Doto kya is a species of sea slug, a Dendronotid nudibranch, a marine gastropod mollusc in the family Dotidae.
Doto lancei is a species of sea slug, a Dendronotid nudibranch, a marine gastropod mollusc in the family Dotidae.
Doto bella is a species of sea slug, a dendronotid nudibranch, a marine gastropod mollusc in the family Dotidae.
Ancula lentiginosa is a species of sea slug, a dorid nudibranch, a marine gastropod mollusc in the family Goniodorididae.
Cuthona divae is a species of sea slug, an aeolid nudibranch, a marine gastropod mollusc in the family Tergipedidae.
Eubranchus rustyus, the homely aeolid, is a species of sea slug or nudibranch, a marine gastropod mollusc in the family Eubranchidae.
Dendronotus dalli is a species of sea slug, a dendronotid nudibranch, a shell-less marine gastropod mollusc in the family Dendronotidae.
Dendronotus subramosus is a species of sea slug, a dendronotid nudibranch, a shell-less marine gastropod mollusc in the family Dendronotidae.