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27 results for “Parhyale”
Parhyale 3D segmentation dataset
<p>The Parhyale 3D Segmentation dataset consists of 50 timepoints (TP01-TP50) of 3D images (512x512x34), where the manual annotations can be found at discrete 6 timepoints (at TP01, TP11, TP21, TP31, TP41 and TP50).</p> <p>For further details, see README file.</p> <p>This version fixes the duplicated label IDs found in the previous version of label files. This version ensures that each instance has a unique ID. Thanks to Jackson Borchardt for reporting that error.</p>
Marine amphipods as a new live prey for ornamental aquaculture: exploring the potential of Parhyale hawaiensis and Elasmopus pectenicrus
<p>Supplementary data from the scientific paper contribution " Marine amphipods as a new live prey for ornamental aquaculture: exploring the potential of Parhyale hawaiensis and Elasmopus pectenicrus".</p> <p> </p> <p>Marine amphipods are gaining attention in aquaculture as a natural live food alternative to traditional preys such as <em>Artemia</em>, as they are rich in essential nutrients such as the lipids eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA), are an important natural diet of many marine fish of commercial interest, and are relatively easy to culture in large numbers. However, there are no established culture techniques and a deeper knowledge on the reproductive biology, nutritional profiles and culture methodologies is still needed to potentiate the optimization of mass production. The present study assessed for the first time the aquaculture potential of <em>Parhyale hawaiensis</em> and <em>Elasmopus pectenicrus</em>, two cosmopolitan marine gammarids (as per traditional schemes of classification) that naturally proliferate in the wild and in aquaculture facilities. For that purpose, aspects of the population and reproductive biology of wild populations were characterized and then a series of laboratory-scale experiments were conducted to determine the amphipod productivity, the time needed to reach sexual maturity by the newborns (generation time), cannibalism degree, the effects of sex ratio on fecundity and the effects of diet (shrimp diet, plant-based diet and commercial fish diet) on fecundity and the juvenile growth. <em>P. hawaiensis</em>, unlike <em>E. pectenicrus</em>, was easily kept and propagated in laboratory conditions, performing exceedingly better than <em>E. pectenicrus</em>. <em>P. hawaiensis </em>showed a higher total length (9.3 ± 1.3 mm), wet weight (14.4 ± 6.2 mg), dry weight (10.5 ± 4.4 mg), females/males sex ratio in the wild (2.24), fecundity (12.8 ± 5.7 embryos per female), and gross energy content (16.71 ± 0.67 kJ g-1) with respect to <em>E. pectenicrus</em>. Although the <em>P. hawaiensis</em> juvenile growth was slightly reduced (marginally significant) by the use of a plant-based diet compared to a commercial shrimp and fish diet, fecundity was not affected, supporting the possible use of inexpensive diets to mass produce amphipods as live or frozen food. Possible limitations identified were their quite long generation times (50.9 ± 5.8 days) and relatively low fecundity levels (12.8 ± 5.7 embryos per female). With an observed productivity rate of 0.36 ± 0.08 juveniles per amphipod couple per day, <em>P. hawaiensis</em> could become a specialty feed for species that cannot easily transition to a formulated diet such as seahorses and other highly-priced marine ornamental species. Future studies should assess the nutritional value and to explore optimized medium- and large-scale production as well as self-producing biofloc systems taking advantage of the great dietary plasticity and environmental tolerance of the species.</p>
Parhyale hawaiensis regenerating leg (subsampled dataset)
<p>This is a demo dataset for the ELEPHANT tracking software stored in tif format. The dataset is a short subset of a live imaging of a regenerating leg of the crustacean <em>Parhyale hawaiensis</em> acquired on Zeiss LSM 800 confocal microscope. Please see the paper for details.</p> <p>Original data:</p> <p><a href="https://doi.org/10.5281/zenodo.4630932">10.5281/zenodo.4630932</a></p> <p><a href="https://zenodo.org/records/4630932">https://zenodo.org/records/4630932</a></p> <p>License:</p> <p>Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0)</p> <p>https://creativecommons.org/licenses/by-nc-nd/4.0/</p>
FIGURE 6 in Parhyale darvishi, a new widely distributed amphipod species, in the Persian Gulf and the Gulf of Oman (Crustacea, Amphipoda, Hyalidae)
FIGURE 6. The palm of first male gnathopod in the genus Parhyale. A: P. penicillata, B: P. fascigera, C: P. darvishi.
FIGURE 5 in Parhyale darvishi, a new widely distributed amphipod species, in the Persian Gulf and the Gulf of Oman (Crustacea, Amphipoda, Hyalidae)
FIGURE 5. Parhyale darvishi sp. nov., male, 8.75 mm, (INIOC 1-28S), Chiruyeh village IRAN. Scale a=1 mm, b=0.25 mm.
FIGURE 2 in Parhyale darvishi, a new widely distributed amphipod species, in the Persian Gulf and the Gulf of Oman (Crustacea, Amphipoda, Hyalidae)
FIGURE 2. Parhyale darvishi sp. nov., male, 8.75 mm, (INIOC 1-28S), Chiruyeh village IRAN. Scale a=1 mm, b=0.25 mm.
FIGURE 3 in Parhyale darvishi, a new widely distributed amphipod species, in the Persian Gulf and the Gulf of Oman (Crustacea, Amphipoda, Hyalidae)
FIGURE 3. Parhyale darvishi sp. nov., male, 8.75 mm, (INIOC 1-28S), and female, 6.5mm (INIOC 1-29S) Chiruyeh village IRAN. Scale= 0.25 mm.
FIGURE 1 in Parhyale darvishi, a new widely distributed amphipod species, in the Persian Gulf and the Gulf of Oman (Crustacea, Amphipoda, Hyalidae)
FIGURE 1. The locations where Parhyale darvishi sp. nov. was collected. The star indicates the type locality, Chiruyeh village (26°42'42"N 53°43'57"E).
FIGURE 4 in A new species of genus Parhyale Stebbing, 1897 (Crustacea, Amphipoda, Hyalidae) from Gujarat State, India
FIGURE 4. Parhyale piloi sp. nov., male paratype, 12.3 mm, ZSI, WRC-C.1603, Shivrajpur village, Gujarat State, India.
FIGURE 3 in A new species of genus Parhyale Stebbing, 1897 (Crustacea, Amphipoda, Hyalidae) from Gujarat State, India
FIGURE 3. Parhyale piloi sp. nov., male paratype, 12.3 mm, ZSI, WRC-C.1603; female paratype, 9.3 mm, ZSI, WRC- C.1603, Shivrajpur village, Gujarat State, India.
FIGURE 2 in A new species of genus Parhyale Stebbing, 1897 (Crustacea, Amphipoda, Hyalidae) from Gujarat State, India
FIGURE 2. Parhyale piloi sp. nov., male paratype, 12.3 mm, ZSI, WRC-C.1603, Shivrajpur village, Gujarat State, India.
FIGURE 1 in A new species of genus Parhyale Stebbing, 1897 (Crustacea, Amphipoda, Hyalidae) from Gujarat State, India
FIGURE 1. Parhyale piloi sp. nov., male holotype, 12.0 mm, ZSI, WRC-C.1601, Shivrajpur village (22°19'58''N 68°57'01''E), Gujarat State, India. Habitus, fresh coloration
FIGURE 4 in Parhyale darvishi, a new widely distributed amphipod species, in the Persian Gulf and the Gulf of Oman (Crustacea, Amphipoda, Hyalidae)
FIGURE 4. Parhyale darvishi sp. nov., male, 8.75 mm, (INIOC 1-28S), Chiruyeh village IRAN.
Figure 5 from: Lo Brutto S, Iaciofano D (2018) A taxonomic revision helps to clarify differences between the Atlantic invasive Ptilohyale littoralis and the Mediterranean endemic Parhyale plumicornis (Crustacea, Amphipoda). ZooKeys 754: 47-62. https://doi.org/10.3897/zookeys.754.22884
Figure 5 Illustration of male paratype of Parhyale explorator, from Ruffo's collection, uropods I (U1), II (U2), III (U3) and peraeopod VII (P7). Scale bars 1 mm.
Figure 6 from: Lo Brutto S, Iaciofano D (2018) A taxonomic revision helps to clarify differences between the Atlantic invasive Ptilohyale littoralis and the Mediterranean endemic Parhyale plumicornis (Crustacea, Amphipoda). ZooKeys 754: 47-62. https://doi.org/10.3897/zookeys.754.22884
Figure 6 Comparison between Ptilohyale littoralis and Parhyale plumicornis diagnostic characters and distributions. Ptilohyale littoralis: A illustration of male (Bousfield and Hendrycks 2002) B antenna II male with brush-setae starting at the 5th peduncular segment C right uropod I with peduncular distomedial robust seta D species distribution along the Atlantic coast. Parhyale plumicornis: E illustration of male (Iaciofano and Lo Brutto 2017) F antenna II male with brush setae starting at the 4th peduncular segment G right uropod I with peduncular distolateral robust seta H species distribution along the Mediterranean and Red Sea coasts.
Figure 3 from: Lo Brutto S, Iaciofano D (2018) A taxonomic revision helps to clarify differences between the Atlantic invasive Ptilohyale littoralis and the Mediterranean endemic Parhyale plumicornis (Crustacea, Amphipoda). ZooKeys 754: 47-62. https://doi.org/10.3897/zookeys.754.22884
Figure 3 Ptilohyale littoralis, antenna II male (mA2), gnathopod I male (mGn1), gnathopod I female (fGn1), peraeopods V (P5), VI (P6) and VII (P7), uropods I (U1), II (U2) and III (U3).
Figure 4 from: Lo Brutto S, Iaciofano D (2018) A taxonomic revision helps to clarify differences between the Atlantic invasive Ptilohyale littoralis and the Mediterranean endemic Parhyale plumicornis (Crustacea, Amphipoda). ZooKeys 754: 47-62. https://doi.org/10.3897/zookeys.754.22884
Figure 4 Illustrations from the literature of: A Ptilohyale barnardi (Chevreux, 1925) B Ptilohyale tristanensis (Macnae, 1953) C Ptilohyale eburnea (Krapp-Schickel, 1974).
Figure 2 from: Lo Brutto S, Iaciofano D (2018) A taxonomic revision helps to clarify differences between the Atlantic invasive Ptilohyale littoralis and the Mediterranean endemic Parhyale plumicornis (Crustacea, Amphipoda). ZooKeys 754: 47-62. https://doi.org/10.3897/zookeys.754.22884
Figure 2 Male of Ptilohyale littoralis, sampled in October 2015, from Bay of Arcachon, France. Scale bar 1 mm.
Figure 1 from: Lo Brutto S, Iaciofano D (2018) A taxonomic revision helps to clarify differences between the Atlantic invasive Ptilohyale littoralis and the Mediterranean endemic Parhyale plumicornis (Crustacea, Amphipoda). ZooKeys 754: 47-62. https://doi.org/10.3897/zookeys.754.22884
Figure 1 Male and female paratypes of Parhyale explorator (subsequently synonymised Ptilohyale explorator) from Ruffo's collection (Museum of Natural History of Verona, Italy), entire samples; male peraeopods and uropods, with focus (arrow) on basipodite of peraeopod VII.
The maternal transcriptome of the crustacean Parhyale hawaiensis is inherited asymmetrically to invariant cell lineages of the ectoderm and mesoderm [rest_8cell_embryonic_vs_ectoderm]
GEO Series GSE41886. Parhyale hawaiensis. 7 samples. Type: Expression profiling by array.
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