Functional morphology of the male reproductive system of the white shrimp Litopenaeus schmitti (Burkenroad, 1936) (Crustacea, Penaeidea) compared to other Litopenaeus

Abstract

universidade estadual paulista (uneSp), botucatu, São paulo, brasil; c Fundação Instituto de pesca do estado do rio de Janeiro, av. presidente vargas, 197 -parque de exposições -colégio agrícola Italo milleno lopes, cordeiro, rJ, brasil; d Facultad de ciencias exactas y naturales, departamento de biodiversidad y biología experimental, universidad de buenos aires, argentina e Ibbea, conIcet-uba, buenos aires, argentina; e Invertebrate morphology laboratory (Iml); aquaculture center of uneSp (cauneSp) and Ieamar-uneSp, departamento de biologia, Fcav, universidade estadual paulista (uneSp), Jaboticabal, Sp, brasil; f electron microscopy center, Institute of bioscience, universidade estadual paulista (uneSp), botucatu, Sp, brasil

Reproductive performances of wild male tiger shrimp, Penaeus monodon post-injection of oocyte developer without eyestalk ablation

“…Testes contained immature sperm cells indicated by undeveloped spike at the anterior of the spermatozoa. The pattern of spermatozoa development observed in the present tudy was relatively similar to that found on giant freshwater shrimp, Macrobrachium rosenbergii (Okumura, 2004), lobster, Nephrops norvergicus (Rotllant et al, 2012) and white shrimp, Litopenaeus schmitti (Fransozo et al, 2016). Based on morphological observation on spermatozoa cell, it was also identified undeveloped spikespermatozoa inside spermatophore.…”

New insights in the male anatomy, spermatophore formation, and sperm structure in Atyidae: The red cherry shrimp Neocaridina davidi

“…The presence of a typhlosole has been observed in several penaeid shrimp species. Fransozo, Fernandes, López Greco, Zara, and Santos () found two typhlosoles in the middle VD in Litopenaeus schmitti . According to these authors, the presence of such folds allows the formation of a more complex spermatophore.…”

Morphology of the male reproductive system of freshwater prawn Macrobrachium carcinus (Decapoda, Caridea): Functional and comparative aspects

“…The sections were stained with hematoxylin/eosin or toluidine blue. Toluidine blue staining was also used to verify types of metachromasia (metachromasia γ—purple; metachromasia β—blue; orthochromasia—absence or weak blue) in the vas deferens for acid compounds in the spermatophore capsule and internal matrix, as proposed by Fransozo et al (). Testes embedded in historesin were also stained with metanil yellow/PAS/ Harris hematoxylin (Quintero‐Hunter, Grier, & Muscato, ), allowing the identification of germ cells and testicular microarchitecture.…”

“…Crustacea is a diverse taxon with a variable body plan, also reflected in the morphology of the reproductive system (Felgenhauer, ; Krol et al, ). Decapoda (Table ) have two anatomical conformations of the testis: either a tubular type, for example, Anomura, Brachyura, and Astacidea (Rudolph, ; Rudolph et al, ; Simeó et al, ; Subramoniam, ), or a lobed, mostly found in Achelata, Penaeidae, and Caridea (Diaz et al, ; Fransozo et al, ; Pillai et al, ; Poljaroen et al, ; Tripathi & Pandey, ). These anatomical patterns are associated with two distinct histological configurations: either seminiferous tubules, which are convoluted ducts with germinal epithelium, or lobules, which are spherical cysts with a germ‐cell cluster (Hobbs et al, ; Krol et al, ).…”