Annals of the South African Museum, Volume 52The Museum, 1969 - Natural history |
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Page 20
... range of temperatures within which a species of tuna is usually found in any one area , but occasionally it may also be found outside this range . We are calling the normal range the ' optimum range ' , merely on the basis of the fact ...
... range of temperatures within which a species of tuna is usually found in any one area , but occasionally it may also be found outside this range . We are calling the normal range the ' optimum range ' , merely on the basis of the fact ...
Page 21
... range for this species of 14 ° -27 ° C , but gave as an optimum temperature range 22 ° -24 ° C . In the Pacific ocean , Kamimura & Honma ( 1963 ) have shown that the best catches of T. albacares are made in the equatorial area between 5 ...
... range for this species of 14 ° -27 ° C , but gave as an optimum temperature range 22 ° -24 ° C . In the Pacific ocean , Kamimura & Honma ( 1963 ) have shown that the best catches of T. albacares are made in the equatorial area between 5 ...
Page 128
... range recorded for the attenuata group , while five were shared by both groups . Only two mea- surements ( numbers 17 and 18 ) fell exclusively within the range of the frontalis group , both being measurements referring to the mandible ...
... range recorded for the attenuata group , while five were shared by both groups . Only two mea- surements ( numbers 17 and 18 ) fell exclusively within the range of the frontalis group , both being measurements referring to the mandible ...
Contents
THE TUNAS OF THE GENUS THUNNUS IN SOUTH AFRICAN | 3 |
Calappa | 8 |
Distribution and migrations | 14 |
Copyright | |
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Achaeus adult Agulhas Agulhas Current alalunga albacares animals antennal Antidorcas Arari dolphins assemblage Atlantic Atlantide dolphin axial Barnard bones Cape Town capensis carapace carapace length carpus cartilage caudal chela clasper coast comparative dactyl Decapoda distal dolphin dorsal Durban Durban dolphin ecdysis Elandsfontein Family females Fish fossil Fraser frontalis G PED genus groove haughtoni Hendey Holotype horn cores Indian Ocean intermoult periods lalandii lateral lirae lobes M₁ maccoyii males mandible margin material Melkbos miraletus moulted n.sp obesus ocellifera outer lip ovig pereiopods Pleistocene pleopod posterior present species range recorded Redunca region ribs ridge rock lobsters rogersi rostrum sculpture segment shell skull Slangkop slightly snout South African Museum specimens spermatophoric spines spinules Station BRU Stenella SUID-AFRIKAANSE MUSEUM surface Swartklip Syncerus TABLE teeth temperature Thunnus tooth Transgression complex transverse tubercles tuna valve ventral vertebrae whorl width Zool ZOOLOGICAL NOMENCLATURE