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571 results for “Hydrothermal vents”
Figure 3 in Geochemistry drives the allometric growth of the hydrothermal vent tubeworm Riftia pachyptila (Annelida: Siboglinidae)
Figure 3. Summary of our findings on the allometric growth of Riftia pachyptila. A, all body parts, namely obturaculum (ob), vestimentum (vm), trunk (tr), and opisthosoma (op), are shorter in juveniles than in adults; the growth rate is higher for the trunk, and minimal for the opisthosoma (Hypothesis 1). The lines connect the body parts to make these differences even more evident. B, the different conditions between the basalt-hosted, sulphide-rich vents at 9 °EPR and 21 °N EPR, and the highly sedimented, sulphide-poor vents at 27 °N EPR in the Guaymas Basin affect the growth of each body part (Hypothesis 2). The 'fat' morphotype from basalt locations is characterized by the presence of thicker vestimentum (Ø vm), wider tube opening (Ø tb), longer trunk (L tr), and comparatively shorter obturaculum (L ob) and smaller number of tentacular lamellae (N lam). The 'slim' morphotype from the sedimented vents has thinner and shorter trunk, but longer tentacular crowns and higher number of lamellae. This variability might be adaptive and selected to keep the sulphide uptake near to the optimum values for the symbionts.
Figure 2 in Geochemistry drives the allometric growth of the hydrothermal vent tubeworm Riftia pachyptila (Annelida: Siboglinidae)
Figure 2. Morphology of the vestimentiferan tubeworms Riftia pachyptila. A, drawings of a female in different positions. Body parts measured in this study: obturaculum (ob) comprising the obturacular lobes (obl) and tentacular lamellae (tl), vestimentum (vm), trunk (tr), and opisthosoma (op). B, male individual distinguished by genital grooves (gg). C, the unique finding of Riftia individuals from the Guaymas Basin with split lobes of the ventral posterior vestimental fold (pvm). D–F, individuals with different body proportions: D, juvenile female; E, F, adult females.
Figure 1 in Liuomelita mollipalma, a new genus and species of Melitidae (Amphipoda: Hadzioidea) from hydrothermal vents of the Okinawa Trough, North-West Pacific
Figure 1. Liuomelita mollipalma sp. nov. (Photographed on board immediately after sampling by Zhongli Sha).
Figure 2 in Liuomelita mollipalma, a new genus and species of Melitidae (Amphipoda: Hadzioidea) from hydrothermal vents of the Okinawa Trough, North-West Pacific
Figure 2. Liuomelita mollipalma sp. nov., male holotype, 10.8 mm, MBM 286558, Okinawa Trough. G1 L: left gnathopod 1; G2 L: left gnathopoda 2; P3 L: left pereopod 3.
FIGURE 15 in The megalopal stage of the hydrothermal vent crab Austinograea rodriguezensis Tsuchida & Hashimoto, 2002 (Decapoda: Bythograeidae): a morphological description based on CLSM images
FIGURE 15. Austinograea rodriguezensis, megalopa (SMF 57021). A. first pleopod, cincinulli; B. second pleopod, cincinulli; C. third pleopod, cincinulli; D. fourth pleopod, cincinulli; E. telson, dorsal view; F. uropods and telson, ventral view. Scale bars = 0.1 mm.
FIGURE 10 in The megalopal stage of the hydrothermal vent crab Austinograea rodriguezensis Tsuchida & Hashimoto, 2002 (Decapoda: Bythograeidae): a morphological description based on CLSM images
FIGURE 10. Austinograea rodriguezensis, megalopa (SMF 57020). A. second maxilliped; B. coxal endite of first maxilliped, same appendage as D; C. basial endite of first maxilliped, same appendage as D; D. first maxilliped; E. same appendage as D, detail of terminal setae on distal article of exopod. Scale bars = 0.1 mm.
FIGURE 11 in The megalopal stage of the hydrothermal vent crab Austinograea rodriguezensis Tsuchida & Hashimoto, 2002 (Decapoda: Bythograeidae): a morphological description based on CLSM images
FIGURE 11. Austinograea rodriguezensis, megalopa (SMF 57020). A. third maxilliped, exopod; B. third maxilliped, missing epipod and exopod; C. third maxilliped, epipod; D. same appendage as A, detailed dactylus; E. Same appendage as C, enlargement of terminal setae of epipod; F. same appendage as A, detail of terminal setae on distal article of exopod. Scale bars = 0.1 mm.
FIGURE 8 in The megalopal stage of the hydrothermal vent crab Austinograea rodriguezensis Tsuchida & Hashimoto, 2002 (Decapoda: Bythograeidae): a morphological description based on CLSM images
FIGURE 8. Austinograea rodriguezensis, megalopa (SMF 57020). A. maxillule, missing coxal endite; B. coxal endite of maxillule; C. same appendage as A, basial endite; D. incisive/molar terminal part of the mandible; E. mandibular palp, composed by 3 articles comprising a proximal basis and a 2-articulated endopod. Scale bars = 0.1 mm.
FIGURE 3. Austinograea rodriguezensis habitus. A in The megalopal stage of the hydrothermal vent crab Austinograea rodriguezensis Tsuchida & Hashimoto, 2002 (Decapoda: Bythograeidae): a morphological description based on CLSM images
FIGURE 3. Austinograea rodriguezensis habitus. A+B, photographs of adult male (I16_492); A. dorsal view; B. ventral view. Scale bar = 1 cm.
Fig. 4 in Cytotoxic shornephines and asterresins from the hydrothermal vent associated fungus Aspergillus terreus CXX-158-20
Fig. 4. Δδ values [δ(S)-δ(R)] for the MTPA esters 2a and 2 b.
Genomics insights into high pressure adaptation in a Thermococcus sp. from the world’s deepest hydrothermal vents
GEO Series GSE70228. Thermococcus. 6 samples. Type: Expression profiling by high throughput sequencing.
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International Brain Laboratory public data
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OpenNeuro
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