Hybocodon cryptus

Hybocodon cryptus
Scientific classification
Kingdom: Animalia
Phylum: Cnidaria
Class: Hydrozoa
Order: Anthoathecata
Family: Tubulariidae
Genus: Hybocodon
Species:
H. cryptus
Binomial name
Hybocodon cryptus
Watson, 1984

Hybocodon cryptus is a species of tubularian hydrozoan in the family Tubulariidae.[1] It is known around southern Port Phillip Bay and Bass Strait, growing and reproducing at temperatures of at least 10 °C on sponges, often on sandy surfaces of rocks between late autumn and winter.[2][3]

Description

Hydrocauli up to 3 cm, total height of up to 8 cm. Solitary and unbranched greenish-yellow stems. 12-18 transparent aboral tentacles, 2.5 mm long, white oral tentacles. As a medusa, it has a diameter of 0.5 mm, with a single tentacle from a yellowish marginal bulb. Margin of the bell is slightly oblique, and a scattering of nematocysts on the exumbrella.[2]

References

  1. ^ "Hybocodon cryptus Watson, 1984". WoRMS.
  2. ^ a b Watson, J.E., 1984. Two new species of tubularian hydroids from southern Australia. Mems natn. Mus. Victoria 45 1-2: 7-12.
  3. ^ Watson, Jeanette. The marine hydroids of south-eastern Australia.