Tryon's risbecia (Risbecia tryoni)
Key facts
- Scientific name
- Risbecia tryoni
- Common name
- Tryon's risbecia
- Category
- Molluscs
- Family
- Chromodorididae
- Genus
- Risbecia
- Size
- 5–12 cm
- Depth
- 3–40 m
- IUCN status
- Least concern (LC)
- Danger level
- Harmless
- Habitats
- coral-reef
- Behaviours
- benthic, slow-mover
- Ocean zones
- Asian Pacific
Description
Risbecia tryoni reaches 12 cm. Large nudibranch with cream-white mantle covered with distinctive large black spots and pink-purple edge, white gills, orange rhinophores. Remarkable behavior: pairs often move in trail-following file, one following another touching tail with rhinophores. Lives from 3 to 40 m on coral reefs of central and western Indo-Pacific. Sought-after macro photo subject especially when trail-following (two in frame).
Frequently asked questions
- How big is the Tryon's risbecia?
- Tryon's risbecia (Risbecia tryoni) reaches 5–12 cm in length.
- At what depth can you find the Tryon's risbecia?
- Tryon's risbecia is found between 3–40 m deep.
- Is the Tryon's risbecia dangerous to divers?
- Danger level: Harmless.
- What is the conservation status of the Tryon's risbecia?
- IUCN status: Least concern (LC).
- Where can you find the Tryon's risbecia?
- Found in: Asian Pacific.
Other species in the family Chromodorididae
- Chromodoris magnifica - Magnificent chromodoris
- Hypselodoris picta - Painted hypselodoris
- Felimida purpurea - Purple doris
- Felimida luteorosea - Rose-and-gold doris
- Goniobranchus geometricus - Geometric goniobranchus
- Goniobranchus reticulatus - Reticulated goniobranchus
Sources
- Taxonomy: WoRMS (AphiaID 558642)
- Photos: iNaturalist (CC BY-NC)
- Distribution: GBIF (taxonKey 5797257)
- Conservation: IUCN Red List
- Encyclopedia: Wikipedia