Hydroclathrus clathratus Howe 1920
Description
Hydroclathrus clathratus (C. Agardh) Howe, 1920: 590
References: Taylor, 1960: 261, pl. 36, figure 5; Jaasund, 1976: 47, figure 96; Tseng, 1984: 186, pl. 94, figure 2; Womersley, 1987: 300, figures 109A, 110A, B; Coppejans et al., 1995b: 178, figure 1; Cribb, 1996: 49, figure p. 48; Lewmanomont and Ogawa, 1995: 73; Littler and Littler, 2000: 248, figure p. 249; Payri et al., 2000: 144, figure p. 145; Skelton and South, 2002: 158, figure 19A; Littler and Littler, 2003: 178, top figure p. 179.
Type locality. Uncertain.
Vouchers. HEC 14675azb (zF), 20 September 2001, Rivière Banane (s.s. 12); HEC 14756a, 22 September 2001, Grand Baie (s.s. 11); HEC 14786, 25 September 2001, Passe Grand Bassin (s.s. 1).
Ecology. Epilithic, from high intertidal (rare) down to spring low water mark (more frequent).
Distribution. Aldabra Islands, Andaman Islands, Australia, Bahrain, Bangladesh, Diego Garcia Atoll, India, Indonesia, Kenya, Kuwait, Laccadives, Malaysia, Maldives, Mauritius (Børgesen, 1941: 62, 1948: 49–50), Mozambique, Nicobar Islands, Pakistan, Réunion (Montagne and Millardet, 1862: 21 ~ Hydroclathrus cancellatus Bory de Saint-Vincent), Rodrigues (Dickie, 1877a: 6), Saudi Arabia, Seychelles, Singapore, Somalia, South Africa, Sri Lanka, Tanzania.
Note. The crisp, three-dimensional thalli of H. clathratus mainly grow epilithic at about low water mark. The suppler, strap-like thalli of H. tenuis were usually entangled with other seaweeds (e.g. Sargassum) or corals, although it has also been found drifting in the lagoon. In a few instances, we observed that H. clathratus, exposed at low tide to the air, was closely associated with thalli of H. tenuis, continuously submerged in the rock pool next to it. This casts doubt on the taxonomic identity of H. tenuis. Womersley (1987: 302) states that ‘ H. clathratus is distinctive in form but varies considerably in compactness of the net, the more compact forms usually occurring in shallow water with more wave action’. He does not refer to H. tenuis.
Notes
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Linked records
Additional details
Identifiers
Biodiversity
- Collection code
- HEC
- Event date
- 2001-09-20 , 2001-09-22 , 2001-09-25
- Family
- Scytosiphonaceae
- Genus
- Hydroclathrus
- Kingdom
- Chromista
- Order
- Scytosiphonales
- Phylum
- Ochrophyta
- Scientific name authorship
- Howe
- Species
- clathratus
- Taxon rank
- species
- Type status
- holotype
- Verbatim event date
- 2001-09-20 , 2001-09-22 , 2001-09-25
- Taxonomic concept label
- Hydroclathrus clathratus Howe, 1920 sec. Coppejans, Leliaert, Verbruggen, Clerck, Schils, Vriese & Marie, 2004
References
- HOWE, M. A., 1920, Algae, in N. L. Britton and C. F. Millspaugh (eds) The Bahama Flora (New York), pp. 553 - 618.
- TAYLOR, W. R., 1960, Marine Algae of the Eastern Tropical and Subtropical Coasts of the Americas (Ann Arbor: University of Michigan Press), 870 pp.
- JAASUND, E., 1976, Intertidal Seaweeds in Tanzania (Tromso, Norway: University of Tromso), 159 pp.
- TSENG, C. K., 1984, Common Seaweeds of China (Beijing: Science Press), 316 pp.
- WOMERSLEY, H. B. S., 1987, The Marine Benthic Flora of Southern Australia. Part II (Canberra: Australian Biological Resources Study), 484 pp.
- COPPEJANS, E., DE CLERCK, O. and VAN DEN HEEDE, C., 1995 b, Annotated and illustrated survey of the marine macroalgae from Motupore Island and vicinity (Port Moresby area, Papua New Guinea). II. Phaeophyta, Belgian Journal of Botany, 128, 176 - 197.
- CRIBB, A. B., 1996, Seaweeds of Queensland. A Naturalist's Guide (Brisbane: The Queensland Naturalist's Club), 130 pp.
- LEWMANOMONT, K. and OGAWA, H., 1995, Common Seaweeds and Seagrasses of Thailand (Bangkok, Thailand: Faculty of Fisheries, Kasetsart University), 163 pp.
- LITTLER, D. S. and LITTLER, M. M., 2000, Caribbean Reef Plants. An Identification Guide to the Reef Plants of the Caribbean, Bahamas, Florida and Gulf of Mexico (Washington, DC: OffShore Graphics), 542 pp.
- PAYRI, C., N' YEURT, A. DE R. and OREMPULLER, J., 2000, Algues de Polynesie francaise (Tahiti, French Polynesia: Au Vent des Iles), 320 pp.
- SKELTON, P. A. and SOUTH, G. R., 2002, Annotated catalogue of the benthic marine algae of the Palolo Deep National Marine Reserve of Samoa, Australian Systematic Botany, 15, 135 - 179.
- LITTLER, D. S. and LITTLER, M. M., 2003, South Pacific Reef Plants (Washington, DC: OffShore Graphics), 331 pp.
- BORGESEN, F., 1941, Some marine algae from Mauritius. II. Phaeophyceae, Kongelige Danske Videnskabernes Selskab, Biologiske Meddelelser, 16, 1 - 81.
- BORGESEN, F., 1948, Some marine algae from Mauritius. Additional lists to Chlorophyceae and Phaeophyceae, Kongelige Danske Videnskabernes Selskab, Biologiske Meddelelser, 20 (12), 55 pp.
- MONTAGNE, C. and MILLARDET, P. M. A., 1862, Botanique, cryptogamie, algues, in L. Maillard (ed.) Notes sur l'ile de Reunion (Bourbon). Annexe O (Paris: Dentu), 25 pp.
- DICKIE, G., 1877 a, Note on algae collected by Dr. I. B. Balfour at the island of Rodriguez, Journal of the Linnean Society (London), Botany, 16, 6 - 7.