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Spawning Cycle and Egg Production of Zebrafish, Brachydanio rerio, in the Laboratory
Single pairs of zebrafish, Brachydanio rerio, 12 months old, spawned at an interval of 1.9 days when the male and female were left continuously together. Three months later the spawning interval had… Expand
Growth and the reduction of depensation of zebra-fish, Brachydanio rerio, reared in the laboratory
, AND C. F. FIRLIT. 1960. Further studies on the embryonic development of the zebrafish, Brachydanio rerio (Hamilton-Buchanan). J. Morph. 107:205-225. , AND . 1962. Ovarian cycle and egg production… Expand
Functional development in the Mauthner cell system of embryos and larvae of the zebra fish.
In the embryonic zebra fish as early as 40 hr after fertilization, the Mauthner cells (M-cells) initiate an escape response, elicited by tactile-vibrational stimulation. The initial part of this… Expand
Mauthner neuron field potential in newly hatched larvae of the zebra fish.
1. Extracellular unit recording was done in the brain and spinal cord of unanesthesized zebra fish larvae embedded in a drop of gelatin under a compound microscope. Startle responses were elicited… Expand
Orientation to vibrations in sand by the nocturnal scorpionParuroctonus mesaensis: Mechanism of target localization
SummaryParuroctonus mesaensis accurately determines the direction and distance of a local source of substrate vibrations in sand. This scorpion has two types of vibration-sensitive mechanoreceptors… Expand
BEHAVIOR AND ECOLOGY OF MATING IN TH E CANNIBALISTIC SCORPION, PAR UROCTONUS MESAENSI S STAHNKE (SCORPIONIDA : VAEJOVIDAE )
During the seasonal mating period, mature males undergo alteration in behavior and ecology ; the y are more vagrant and feed less than all other components of the population . Cannibalism of mature… Expand
The organization of the malleolar sensory system in the solpugid, Chanbria sp.
Abstract Five malleoli extend ventrally from the proximal segments of each hind leg of mature and immature solpugids. Each malleolus contains the dendrites of 72,000 bipolar sensory neurons with… Expand
Detection of vibrations in sand by tarsal sense organs of the nocturnal scorpion,Paruroctonus mesaensis
SummaryThe scorpionParuroctonus mesaensis locates prey by orienting to substrate vibrations produced by movements of the prey in sand. At the end of each walking leg of this scorpion there are two… Expand
The fine structure of sense organs in the ovipositor of the parasitic wasp, Orgilus lepidus Muesebeck.
Abstract Three types of sensilla were observed in the ovipositor, including a multicellular sensillum presumed to respond to both chemical and mechanical stimuli, plus two types of campaniform… Expand