Results 51 to 60 of about 1,206 (164)

The zoeal stages and megalopa of Bresedium brevipes (De Man, 1899) (Crustacea: Decapoda: Grapsidae), reared in the laboratory

open access: yes, 1983
The four zoeal stages and megalopa of the sesarmid crab Bresedium brevipes (De Man, 1899) are described and figured from material reared in the laboratory.
Greenwood, J. G., Fielder, D. R.
core   +1 more source

Larval Development of the New Zealand Deep Water Scampi, Metanephrops challengeri (Balss, 1914) (Decapoda: Nephropidae)

open access: yesNew Zealand Journal of Zoology, Volume 53, Issue 1, March 2026.
The New Zealand scampi, Metanephrops challengeri, is a lobster species which has an extensive distribution on much of the continental shelf and slopes around the country in depths between 140 and 640 m. This species is important ecologically, and forms the basis of a valuable commercial fishery.
Kevin G. Heasman   +3 more
wiley   +1 more source

FIG. 7 in The megalopa stage of the hydrothermal vent crab genus Bythograea (Crustacea, Decapoda, Bythograeidae)

open access: yes, 2007
FIG. 8. — Megalopa stage of Bythograea, miscellaneous images: A, anterolateral region of carapace in dorsal view, white arrow indicating peritrichous ciliate (one of several found on carapace); B, higher magnification of ciliate marked by arrow in A; C ...
Martin, Joel W., Dittel, Ana
core   +1 more source

PERTUMBUHAN DAN KELANGSUNGAN HIDUP LARVA RAJUNGAN (Portunus pelagicus) STADIA MEGALOPA DENGAN KEPADATAN YANG BERBEDA [PDF]

open access: yes, 2019
Rajungan (Portunus pelagicus) merupakan organisme laut yang banyak terdapat di perairan Indonesia. Salah satu upaya untuk menjaga populasi rajungan di alam adalah dengan melakukan budidaya.
CLARA OKTAVIANI , BR BARUS
core   +1 more source

Developmental and moult cycle related biochemical changes in larvae of the spider crab, Maja brachydactyla (Brachyura: Majidae)

open access: yesScientia Marina, 2012
Ontogenetic changes in dry weight, elemental composition (CHN), and digestive enzyme activities (total protease, amylase) were studied during the moulting cycle of all larval instars (zoea I-II, megalopa; ZI, ZII, M) of the spider crab Maja brachydactyla
Guiomar Rotllant   +3 more
doaj   +1 more source

Temperature‐induced Effects on Ecdysis Frequency, Feeding, and Growth Response of Gazami (Portunus trituberculatus) Crablets

open access: yesAquaculture, Fish and Fisheries, Volume 5, Issue 6, December 2025.
ABSTRACT Gazami (Portunus trituberculatus) is a key species in stock enhancement programs in Japan. Recently, a severe decline in the Western Japan population has been observed, emphasizing the need for improvements in these programs. This study aimed to evaluate the effects of temperature on Gazami crablets under hatchery conditions, focusing on ...
Angelo C. Macario   +4 more
wiley   +1 more source

Redescription of the megalopa of Plagusia dentipes (Brachyura: Plagusiidae) from Japan

open access: yesCrustacean Research, 2000
Several megalopae of the plagusiid crab Plagusia dentipes were collected from Tateyama at the Pacific coast of Japan. The comparison of these specimens with previous descriptions of this stage from Japan, revealed a lack of detail in the earlier morphological accounts.
Gonzalez-Gordillo, Juan Ignacio   +2 more
openaire   +3 more sources

Larval development of Notolopas brasiliensis Miers, 1886 (Brachyura: Majoidea: Pisidae) described from laboratory reared material and a reappraisal of the characters of Pisidae

open access: yesPapéis Avulsos de Zoologia, 2006
The complete larval stages of Notolopas brasiliensis are described from laboratory reared material, with emphasis on the external morphological features of Majoidea, and compare the morphology of N. brasiliensis with other genera of Pisidae.
William Santana   +3 more
doaj   +1 more source

Planktonic larval stages—an adaptation to lower predation rates in the pelagic environment?

open access: yesLimnology and Oceanography, Volume 70, Issue 11, Page 3417-3430, November 2025.
Abstract A majority of marine benthic macroinvertebrate and fish species have planktonic larval stages that disperse in the water column from days to months. However, the adaptive significance of pelagic larvae, and whether predation is higher in the pelagic or the benthic environment, is still debated, partly due to a lack of studies assessing larval ...
Per‐Olav Moksnes   +3 more
wiley   +1 more source

Observations on the Distribution and Seasonality of Portunid Megalopae in Mississippi Coastal Waters

open access: yesGulf Research Reports, 1981
Observations on the distribution and seasonality of common coastal portunid megalopae are presented. Callinectes sapidus megalopae were abundant from May through November. The megalopae of C. similis, though present throughout the year, peaked in numbers from February through April. With the exception of January,Portunus spp.
Stuck, Kenneth C., Perry, Harriet M.
openaire   +4 more sources

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