Species Hub/Starlet Sea Anemone/Tentacle Retraction (Mechanosensory)
Primary Assay Starlet Sea Anemone

Tentacle Retraction (Mechanosensory)

Nematostella vectensis

Tentacle retraction is a rapid defensive response that shows habituation — a fundamental form of learning in this brainless organism. Retraction parameters and habituation rate probe neural circuit function in the nerve net.

Starlet Sea Anemone — Tentacle Retraction (Mechanosensory)

Measured Parameters

Every parameter is automatically tracked frame-by-frame in the ConductVision pipeline for Nematostella vectensis.

ParameterUnitDescription
Retraction latencymsResponse speed
Retraction amplitude% lengthDegree of withdrawal
Habituation rateslopeResponse decrement
Recovery timesReturn to extended state

Citations for Tentacle Retraction (Mechanosensory)

  1. Layden MJ, et al. (2016). Nematostella vectensis achaete-scute homolog NvashA regulates neural cell fate specification. Dev Biol, 415(2), 230-241. PMID: 27173373

Hardware for Starlet Sea Anemone Research

Nematostella Observation Chamber

Behavior recording

Light Stimulus Array

Phototaxis testing

Sand Substrate System

Burrowing behavior

Mechanosensory Stimulus Probe

Tentacle retraction

Feeding Stimulus Delivery

Glutathione-triggered feeding

Run Tentacle Retraction (Mechanosensory) on ConductVision

Our team will configure the protocol, camera rig, and analysis pipeline for your starlet sea anemone facility.