| 词条 | Parechinus angulosus | |||||
| 释义 |
| name = Parechinus angulosus | image = Cape urchin at Partridge Point P7190547.JPG | image_alt = Purple colour morph | image_caption = Cape urchin at Partridge Point | regnum = Animalia | phylum = Echinodermata | classis = Echinoidea | ordo = Camarodonta | familia = Parechinidae | genus = Parechinus | species = angulosus | binomial = Parechinus angulosus | binomial_authority = (Leske, 1778) }}Parechinus angulosus, the Cape urchin, is a sea urchin in the family Parechinidae endemic to southern Africa.[2] Synonyms
DescriptionTest round, diameter up to 60 mm, with a dense covering of short sharp spines which do not exceed 20% of test diameter. Test colour usually green, spines purple, but also green, red or off-white.[14] DistributionLüderitz to Durban, intertidal to about 100 m.[14]Natural historyGrazes on seaweeds, and population density affects the rate of kelp settlement. Provides shelter for juvenile abalone Haliotis midae and is an important influence on kelp forest ecology. Abundant on flatter areas of rocky reefs in the Cape. Eaten by West coast rock lobster Jasus lalandii.[14] References1. ^1 2 3 {{cite book|last=Jones |first=Georgina |title=A field guide to the marine animals of the Cape Peninsula |publisher=SURG |location=Cape Town |year=2008 |isbn=978-0-620-41639-9 }} [1][2]2. ^1 2 3 4 5 6 7 8 9 10 11 Kroh, A. & Mooi, R. (2019). World Echinoidea Database. Parechinus angulosus (Leske, 1778). Accessed through: World Register of Marine Species at: http://www.marinespecies.org/aphia.php?p=taxdetails&id=220995 on 2019-01-22 }} 1 : Echinoidea |
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