| 词条 | Tubular sponge hydroid |
| 释义 |
| name = Tubular sponge hydroid | image = tubular sponge hydroid.jpg | taxon = Zyzzyzus warreni | authority = Calder, 1988[1] }} The tubular sponge hydroid (Zyzzyzus warreni) is a species of hydroid cnidarian. It is a member of the family Tubulariidae.[2] DescriptionThe tubular sponge hydroid grows to about 1.5 cm tall. It has a fat stem and a daisy-like polyp with sparse tentacles surrounding a group of reproductive sporosacs which in turn surround the pink and white oral tentacles. The body of the hydranths (feeding individuals) as well as the gonophores (reproductive polyps) are pinky red, while the tentacles are transparent white.[3] DistributionThis species is found around the South African coast from Saldanha Bay to KwaZulu-Natal[3] as well as off the Cape Verde Islands, Trinidad and Bermuda.[1] It is known from the subtidal to at least 30m underwater.[3] EcologyThese animals usually grow embedded in sponges.[4] References1. ^1 {{WRMS source|23852|Calder, D. R. (1988). Shallow-water hydroids of Bermuda. The Athecatae. Royal Ontario Museum Life Sciences Contributions. 148: 1-107.|17 January 2019}} {{Commons Category|Zyzzyzus warreni}}{{Taxonbar|from=Q2332075}}2. ^{{WRMS species|291318|Zyzzyzus warreni Calder, 1988||17 January 2019}} 3. ^1 2 Branch, G.M., Branch, M.L, Griffiths, C.L. and Beckley, L.E. 2010. Two Oceans: a guide to the marine life of southern Africa. {{ISBN|978-1-77007-772-0}}. 4. ^Millard, N.A.H. 1975. Monograph on the Hydroida of Southern Africa. Ann. S. Afr. Mus. 68:1-513 5 : Hydrozoa|Fauna of the Atlantic Ocean|Invertebrates of Cape Verde|Invertebrates of South Africa|Animals described in 1988 |
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