Endeis Philippi 1843

• Main Authors: Takahashi, Yoshie, Dick, Matthew H., Mawatari, Shunsuke F.
• Format: Text
• Language: unknown
• Published: Zenodo 2007
• Subjects: Biodiversity; Taxonomy; Animalia; Arthropoda; Pycnogonida; Pantopoda; Endeidae; Endeis; Arctic; Antarctic; Arctic Ocean; Ross Sea; Pacific; Indian; New Zealand; Hodgson; Hilton; Herdman; Pomona; Antarc*
• Online Access: https://dx.doi.org/10.5281/zenodo.5229889; https://zenodo.org/record/5229889

Genus Endeis Philippi, 1843 Diagnosis. Trunk elongate; lateral processes well separated; neck very short, usually with collar; chelifores and palps lacking in adults; ovigers in males only, seven-segmented, usually with vestigial strigilis-like spines sparsely distributed on the terminal segment, without terminal claw; legs long and slender, tarsus short, propodus long, with welldeveloped heel spines and strong auxiliary claw. Cement gland opening as many dorsal pores or tiny ducts arranged in one or two rows. Remarks. Members of this genus mostly inhabit shallow waters, with several exceptions known to live on floating seaweeds; some species have been observed to swim (Morgan 1971; Isaac & Jarvis 1973; Clark & Carpenter 1977). Endeis is widely distributed except in polar regions; the genus has not been reported from the Arctic Ocean, and only two species, E. australis (Hodgson, 1907) and E. viridis Pushkin, 1976, have been reported from Antarctic waters (Fry & Hedgpeth 1969; Pushkin 1993). At present there are 17 known species worldwide, generally occurring in low abundance but locally abundant in some habitats. Despite its broad distribution, this genus is morphologically uniform, though highly derived. Most species of Endeis have been recorded from relatively warm waters. The three species previously known from Japanese waters, E. mollis (Carpenter, 1904), E. nodosa Hilton, 1942, and E. meridionalis (Böhm, 1879), have been collected south of 35 ° N. Of these, we did not find E. mollis and E. nodosa in our survey, though they are known from the Nansei Islands. Ohshima (1935) collected Endeis mollis from the Ishigaki Islands as the first Endeis recorded from Japan. Nakamura and Child (1983, 1988) subsequently recorded this species from Sagami Bay and Iriomote Island, and Nakamura and Child (1988) reported Endeis nodosa from Naha Bay. Utinomi (1971) reported Endeis meridionalis from Chijiwa Bay, Nagasaki; this species has an equatorial distribution in the Indian Ocean, western Atlantic Ocean, and western Pacific Ocean, with Nagasaki the northern limit of its range. : Published as part of Takahashi, Yoshie, Dick, Matthew H. & Mawatari, Shunsuke F., 2007, Sea spiders (Arthropoda: Pycnogonida) from waters adjacent to the Nansei Islands of Japan, pp. 61-79 in Journal of Natural History 41 (1 - 4) on page 64, DOI: 10.1080/00222930601121783, http://zenodo.org/record/5229875 : {"references": ["Morgan E. 1971. The swimming of Nymphon gracile (Pycnogonida): the mechanism of the leg-beat cycle. Journal of Experimental Biology 55: 273 - 287.", "Isaac MJ, Jarvis JH. 1973. Endogenous tidal rhythmicity in the littoral pycnogonid Nymphon gracile (Leach). Journal of Experimental Marine Biology and Ecology 13: 83 - 90.", "Clark WC, Carpenter A. 1977. Swimming behaviour in a pycnogonid. New Zealand Journal of Marine and Freshwater Research 11: 613 - 615.", "Hodgson TV. 1907. Pycnogonida. National Antarctic Expedition 1901 - 1904. Reports of the National Antarctic Expedition of 1901 - 1904, Natural History 3: 1 - 72.", "Pushkin AF. 1976. New species of Andeidae (Pantopoda) from Subantarctic. Zoologicheskii Zhurnal 55: 923 - 925 (Russian with English summary).", "Fry WG, Hedgpeth JW. 1969. Pycnogonida, 1. Colossendeidae, Pycnogonidae, Endeidae, Ammotheidae. Fauna of the Ross Sea, 7. Memoirs of the New Zealand Oceanographic Institute 49: 1 - 139.", "Pushkin AF. 1993. The pycnogonida fauna of the South Ocean. Biological Results of the Soviet Antarctic Expeditions 8: 1 - 397 (Russian).", "Carpenter GH. 1904. Report on the Pantopoda collected by Prof. Herdman at Ceylon in 1902. Report to the Government of Ceylon on the Pearl Oyster Fisheries of the Gulf of Manaar, 2, Supplementary Report, 8: 181 - 184, Plate 1.", "Hilton WA. 1942. Pycnogonids from the Pacific. Family Phoxichilididae Sars, 1891. Journal of Entomology and Zoology of Pomona College 34: 71 - 74.", "Bohm R. 1879. Uber zwei neue von Herrn Dr. Hilgendorf in Japan gesammelte Pycnogoniden. Sitzungsberichte der Gesellschaft Naturforschender Freunde zu Berlin 1879: 53 - 60.", "Ohshima H. 1935. On a sea spider inhabiting the Okinawa region. Dobutsugaku Zasshi 47: 94 - 97 (Japanese).", "Nakamura K, Child CA. 1983. Shallow-water Pycnogonida from the Izu Peninsula, Japan. Smithsonian Contributions to Zoology 386: 1 - 71.", "Nakamura K, Child CA. 1988. Pycnogonida of the Western Pacific Islands, 4: on some species from the Ryukyu Islands. Proceedings of the Biological Society of Washington 101: 662 - 670.", "Utinomi H. 1971. Records of Pycnogonida from shallow waters of Japan. Publications of the Seto Marine Biological Laboratory 18: 317 - 347."]}