Results 111 to 120 of about 136,050 (289)

Some Factors in the Activation of Crab Movement Receptors [PDF]

open access: yes, 1963
The activation of movement receptors in Pachygrapsus crassipes is examined. Lengthening and shortening of the elastic strand of the propodite-dactylopodite (PD) organ are respectively the adequate stimuli for movement receptors responding uniquely ...
Mendelson, Martin
core  

The Crustacean and Molluscan Fisheries of Honduras [PDF]

open access: yes, 1996
Honduras has many communities of artisanal fishermen who land various species of crustaceans and mollusks, using hands, nets, traps, and free diving from shore and from dugout canoes.
MacKenzie, Jr. , Clyde L.   +1 more
core  

The Rhynie Crustacean [PDF]

open access: yesNature, 1926
MR. D. J. SCOURFIELD'S memoir “On a new Type of Crustacean from the Old Red Sandstone (Rhynie Chert Bed, Aberdeenshire), Lepidocaris rhyniensis, gen. et sp. nov.” (Phil. Trans. B, 415,1926), which has already been noticed in NATURE (April 3, 1926, p.498),is so important a contribution to arthropod morphology that no excuse is needed for directing ...
openaire   +2 more sources

Effect of different levels dietary vitamin C on growth performance, muscle composition, antioxidant and enzyme activity of freshwater prawn, Macrobrachium malcolmsonii

open access: yesAquaculture Reports, 2016
In the present study was conducted to examine the effects and interactions of dietary vitamin C levels on the growth performance, antioxidant ability, muscle composition and enzyme activity in freshwater prawn Macrobrachium malcolmsonii (M. malcolmsonii).
Annamalai Asaikkutti   +4 more
doaj  

On the Embryology of a Mysid Crustacean, Hemimysis Lamornae

open access: yes
The study of the embryology of Hemimysis Lamornae , of which the following pages contain an account, was first undertaken with a view of tracing the later development of the mesoderm, and the formation of the heart and segmental excretory organs.
S. Manton
semanticscholar   +1 more source

Larval culture and rearing techniques of commercially important crab, Portunus pelagicus (Linnaeus, 1758): Present status and future prospects [PDF]

open access: yesSongklanakarin Journal of Science and Technology (SJST), 2015
For consistent seed production, better understanding of larviculture and rearing techniques is crucial to maximize production of high quality and healthy larvae of cultured species.
Mohamad N Azra, Mhd Ikhwanuddin
doaj  

About the relationship between the zooplankton and fluctuating water levels of Lago Camaleão, a Central Amazonian várzea lake

open access: yes, 1984
A two-year study of the composition and abundance of the zooplankton was conducted in an Amazonian vãrzea lake, Lago Camaleão. Rotifers were dominant in terms of both species numbers and density.
Hardy, E., Koste, W., Robertson, B.
core  

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