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Anatomy and life stageRostrum
Bounded definition
The forward-projecting part of the carapace between and ahead of the eyes.
Do not infer more: Shape and teeth may inform taxonomy, but one rostrum photograph rarely resolves species by itself.
Wording people may use
rostral teeth, shrimp nose.
Use the term in context
Continue with anatomy and photography guide, identity and provenance guide. The glossary standardizes wording; the linked guide carries the practical method, evidence and decision boundary.
Editorial definition reviewed 2026-08-12. It adds no diagnosis, universal care target or new biological evidence. Challenge this wording or provide a source.