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Marine species

Lean Western Nassa

Nassarius mendicus

Lean Western Nassa is a benthic gastropod found in the temperate waters of the Eastern Pacific, specifically along the coasts of the USA and Canada. This species typically inhabits sandy and muddy bottoms, where it can be found at depths primarily shallower than 50 meters. The shell of the Lean Western Nassa is elongated and slender, which helps distinguish it from other similar species in the Nassariidae family. Its unique shape allows it to burrow into the substrate, making it less visible to predators and divers alike. This species feeds on organic matter and small invertebrates found in its environment. It is a non-broadcast spawner, meaning it does not release eggs into the water column but instead has a reproductive strategy that does not include a trocophore stage. This method of reproduction contributes to its ecological niche, as it relies on specific conditions for successful breeding. Encounters with Lean Western Nassa during dives can be subtle, as they tend to be solitary and often buried in the substrate. Divers should approach carefully to avoid disturbing their habitat. The conservation status of this species is not evaluated, but it is important for divers to observe and respect their environment to ensure the health of these organisms and their ecosystems.

Where to see Lean Western Nassa

Dive sites where Lean Western Nassa is recorded.

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Lean Western Nassa — where to dive with them · DiveSight