Comprehensive Description

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 Corphella lineata is a slender species up to 5 cm in length. Its transluscent body is white with opaque patches and bears 5-8 clusters of approximately 5 elongate cerata along either side of the mantle. The digestive glands in the cerata are reddish-brown or occasionally green and have white opaque tips. The oral tentacles and rhinophores are distinctly long and tapering.This species has numerous characteristic, longitudinal white lines on the body, oral tentacles and rhinophores. The front part of the foot (propodium) is notched and transversely grooved with moderately long tentacles.Coryphella lineata lays its eggs in a spiralling ribbon-like white or pink mass. The eggs hatch into planktonic larvae. Egg ribbons are usually laid on their prey, principally the hydroid Tubularia indivisa. This species may also feed on Corymorpha nutans, Hydrallmania falcata, Coryne spp., or Sertularia spp. The occasional green colouration of the digestive gland in the cerata may be due to starvation (Thompson, 1988). 

This species is very similar to other Coryphella species epecially as it can be found with Coryphella browni in large numbers. However, it is distinguished from other species by the distinct white lines.


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©  The Marine Biological Association of the United Kingdom

Source: Marine Life Information Network

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