description Euplokamis dunlapae Overview
Euplokamis dunlapae is a species of cydippid ctenophore, a type of comb jelly, first scientifically described in 1987. It is notable for its unique prey-capture mechanism, possessing tentacles that contain striated muscle fibers. These specialized helical structures allow the organism to rapidly coil its tentacles with remarkable speed, a trait largely absent in other closely related comb jelly species. This deep-sea predator uses these quick reflexes to effectively secure small prey in its aquatic environment.
help Euplokamis dunlapae FAQ
Is Euplokamis dunlapae a jellyfish or a comb jelly?
Euplokamis dunlapae is a cydippid ctenophore, commonly called a comb jelly, not a cnidarian jellyfish. Ctenophores swim with rows of ciliary combs and capture prey with adhesive cells called colloblasts. [Scientific review](https://pmc.ncbi.nlm.nih.gov/articles/PMC8009683/)
What makes the tentacles of Euplokamis dunlapae unusual?
Its tentacle side branches, called tentilla, contain striated muscle fibers. That is an unusual feature within Ctenophora and lets the tentilla extend rapidly during prey capture. [Ctenophore physiology review](https://pmc.ncbi.nlm.nih.gov/articles/PMC5095125/)
When was Euplokamis dunlapae described, and where was it first recorded?
The species was described by Claudia Mills in 1987. Its type locality is Friday Harbor in Puget Sound, Washington, and later records have extended the known range beyond that area. [Species research paper](https://pmc.ncbi.nlm.nih.gov/articles/PMC8009683/)
How does Euplokamis dunlapae catch prey?
The animal extends its coiled tentilla, uses adhesive colloblasts to hold prey, and then draws the prey toward its mouth. Its comb rows provide swimming power while the muscular tentilla handle the specialized capture step. [Ctenophore physiology review](https://pmc.ncbi.nlm.nih.gov/articles/PMC5095125/)
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