Molluscs › Myrrhinidae
Horned Nudibranch
Hermissenda crassicornis
28 photos
Study shows up to four per card, from different observers, so you learn the species rather than one picture. Heart the good ones and swap any you do not like.
Photos you add are credited to you, and you keep the copyright.
Easily confused with
Opalescent NudibranchHermissenda opalescens
Three-lined AeolidOrienthella trilineata
White-and-orange-tipped NudibranchAntiopella fusca
Hermissenda emurai
Hilton's AeolidPhidiana hiltoni
Rose-pink CuthonaCuthona divae
Shag-rug NudibranchAeolidia papillosa
Predaceous AeolisCoryphella trophina
Study checks a spoken answer against these, and tells you which one you named.
Where it is recorded
| Washington | 8,717 |
|---|---|
| United States | 8,380 |
| Oregon | 2,550 |
| Canada | 2,239 |
| British Columbia | 2,062 |
| California | 1,325 |
| Alaska | 384 |
Counts show where people looked, not only where it lives.
Traits
Physical
- Shell-bearingProtected by a hard shellFrom its classification
Classification
| Kingdom | Animals · Animalia |
|---|---|
| Phylum | Molluscs · Mollusca |
| Class | Gastropods · Gastropoda |
| Order | Nudibranchs · Nudibranchia |
| Family | Myrrhinidae |
| Genus | Hermissenda |
Sources
- Names, taxonomy and observation counts: www.inaturalist.org
- Photos and recordings: the creator and source are on each one.
- How much to rely on each source
Remember the name next time.
Practise Horned Nudibranch with real photos from different observers. Say the name out loud, and it comes back just before you would forget it.