horseshoe crab
Hydrology of the Horseshoe Crab Nesting Grounds at Pahang Coast, Malaysia
... of horseshoe crabs (Ehlinger and Tankersley, 2003; Chatterji et ...of horseshoe crab larval ...of horseshoe crab ...of horseshoe crab ...
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Multiple stressor interactions influence embryo development rate in the American horseshoe crab, Limulus polyphemus
... American horseshoe crab, Limulus polyphemus (Linneaus), migrates to beaches to nest along the East coast of the USA and the coast of the Gulf of Mexico (Brockmann, 2003; Shuster, ...Although ...
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Feeding Mechanisms of Adult Tropical Horseshoe Crab, Tachypleus gigas toward Feeds’ Conditions
... A total of 30 pairs of adult T. gigas samples respectively were collected by hand from their spawning grounds in Pahang, Malaysia during the spawning season. Horseshoe crab samples were cleaned of epibionts ...
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Fishery Aspect of Horseshoe Crab [Tachypleus gigas (Müller, 1785)] in the Peninsular Malaysia: Exploitation Status
... Abstract Horseshoe crab is a unique Arthropoda which is also known as a living fossil because of its ancient morphological ...adult horseshoe crab mortality is probably due to human ...
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Chitosan Isolated from Horseshoe Crab Tachypleus Gigas from the Malay Peninsula
... of Horseshoe Crab Chitosan The results of antibacterial inhibition zone and minimum inhibitory concentration of horseshoe crab chitosan using disc diffusion are presented in the Table ...
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Food Intake, Gut Transit Time and Defecation Pattern of Asian Horseshoe Crab, Tachypleus gigas
... Nowadays, the numbers of wild horseshoe crab harvested for study are increasing. How- ever, general information on Tachyplues gigas satiation level, gut transit time, defecation pattern and acclimation ...
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Colour preference and light sensitivity in trilobite larvae of mangrove horseshoe crab, Carcinoscopius rotundicauda(Latreille, 1802)
... of newly hatched larvae until their first moulting stage have showed the visual system of horseshoe crab might be functional from the early stages of its development. Results, showed that the larvae ...
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A Late Permian fossil horseshoe crab (Paleolimulus: Xiphosura) from Poatina, Great Western Tiers, Tasmania
... EWINGTON, D.L., CLARKE, M.J. & BANKS, M.R., 1989 (31:x): A Late Permian fossil horseshoe crab (Paleolimulus: Xiphosura) from Poatina, Great Western Tiers, Tasmania. Pap. Proc. R. Soc. Tasm. 123: ...
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Ultrastructure of book gill development in embryos and first instars of the horseshoe crab Limulus polyphemus L. (Chelicerata, Xiphosura)
... Figure 1 Ventral view of embryos of the horseshoe crab. Limulus polyphemus , supine. SEMs. A. After the second embryonic molt (stage 19), the prosomal legs (L1-L4) are prominent, tapered and starting to ...
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Spawning density and morphometric characteristics of the horseshoe crab Tachypleus gigas (Müller) on the Balasore coast of Bay of Bengal, India
... length relationship was also linear. However, the rate of body weight increase was of higher magnitude than that of the total length. Some reports have been made in comparing the size variation between T. gigas that are ...
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Macrobenthic diversity in Horseshoe Crab nesting ground – Balok station, Pahang, Malaysia
... of horseshoe crabs are under greater ...reaching horseshoe crab population had drastically reduced in recent years due to poor diversity of major prey item besides notable degradation of habitat ...
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Allometric Relationship in the Adult Population of the Malaysian Horseshoe Crab Tachypleus tridentatus Leach
... the horseshoe crab (Tachypleus tridentatus; Leach) collected from Papar Sabah, Malaysia with the aim of using this information for stock assessment model of this animal in near ...
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Ammonia excretion and acid–base regulation in the American horseshoe crab, Limulus polyphemus
... The horseshoe crab is of economic importance to the biomedical industry as an extract collected from its hemolymph is used for testing bacterial endotoxin contamination in medical products (Novitsky, ...
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Sperm egg interactions in the horseshoe crab, Limulus polyphemus L : 1) roles of ions and egg factors in sperm motility and acrosome reaction initiation, and 2) light and scanning electron microscopical examination of the egg cortical interaction
... RESULTS Sperm Motility Near Intact Eggs When a sperm suspension was added to an egg, spermatozoa were observed to become motile only in the halo region... No evidence of.[r] ...
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Motor Control of Tail Spine Rotation of the Horseshoe Crab, Limulus Polyphemus
... 4 and Table 2 show that the output to the right dorsal lateral muscle was greater both in duration frequency during counterclockwise rotations when the tail spine was brought up on the r[r] ...
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Involvement of cyclic AMP in multiple, excitatory actions of biogenic amines on the cardiac ganglion of the horseshoe crab Limulus polyphemus
... Taken together with previous findings on the role of cyclic AMP in amine modulation of cardiac muscle contractility Groome and Watson, 1989, these studies indicate that cyclic AMP is an [r] ...
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Second messenger systems underlying amine and peptide actions on cardiac muscle in the horseshoe crab Limulus polyphemus
... Since cyclic AMP is important in excitatory chronotropic as well as inotropic actions of amines on the Limulus heart Groome & Watson, 1987, the relative activities of cardiac ganglion an[r] ...
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GENETIC VARIATION AND GEOGRAPHIC DIFFERENTIATION IN MITOCHONDRIAL DNA OF THE HORSESHOE CRAB, LIMULUS POLYPHEMUS
... This is most unlikely for several reasons: (1) some enzymes (most notably BglII and MspI) showed iden- tical multifragment digestion profiles in all individuals, indi[r] ...
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The Ability of Horseshoe Crabs (Limulus polyphemus) To Detect Changes in Temperature
... A typical cardiac response to a change in water temperature is shown in Figure 3. When at rest in the experimental chamber the horseshoe crab heartbeat is very consistent. However, when warm water is added, ...
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Isolation and characterization of Astaxanthin from Portunus sanguinolentus (Three spotted crab), Callinectes sapidus (Blue crab) and Paralithodes brevipes (Spiny king crab)
... Spotted Crab), Callinectes sapidus (Blue Crab) and Paralithodes brevipes (Spiny King Crab) using the three different types of solvent mixture such as Hexane: Isopropanol, DMSO: Acetone and ...three ...
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