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53 results for “mantis shrimp”
Figure 9 in Revision of the Indo-West Pacific Coral Reef Mantis Shrimp Genus, Gonodactylopsis Manning, 1969 (Crustacea: Stomatopoda: Gonodactylidae)
Figure 9. Gonodactylopsis maqqaba sp. nov., holotype female, TL 16 mm, Macclesfield Bank, NTOU S00036. (A) anterior cephalothorax, dorsal view; (B) right eye, lateral view; (C) ocular scales; (D) rostral plate, lateral view; (E) right antenna, lateral view; (F) right raptorial claw, lateral view; (G) thoracic somites 6–8, right lateral view; (H) abdominal somite 6, telson and right uropod; (I) abdominal somites 5, 6 and telson, lateral view; (J) abdominal somites 4 and 5 posterolateral margin, lateral view; (K) right uropod, ventral view; (L) telson, ventral view. Scale = 1.0 mm.
Figure 8 in Revision of the Indo-West Pacific Coral Reef Mantis Shrimp Genus, Gonodactylopsis Manning, 1969 (Crustacea: Stomatopoda: Gonodactylidae)
Figure 8. Gonodactylopsis lata sp. nov., colour in life, female, TL 21 mm, Papua New Guinea, MNHN IU-2014-213. Photo: T.-Y. Chan.
Figure 6 in Revision of the Indo-West Pacific Coral Reef Mantis Shrimp Genus, Gonodactylopsis Manning, 1969 (Crustacea: Stomatopoda: Gonodactylidae)
Figure 6. Gonodactylopsis lata sp. nov.: A–J, holotype female, TL 22 mm, Fiji, VGS 82-9, USNM 307139; K–L, paratype male, TL 17 mm, Fiji, MUSORSTOM 10 CP1364, MNHN. (A) anterior cephalothorax, dorsal view; (B) right eye, lateral view; (C) ocular scales; (D) rostral plate, lateral view; (E) right antenna, lateral view; (F) right raptorial claw, lateral view; (G) thoracic somites 6–8, right lateral view; (H) abdominal somites 5 and 6, telson and right uropod; (I) abdominal somites 5, 6 and telson, lateral view; (J) right uropod, ventral view; (K) telson, dorsal view; (L) right pleopod 1 endopod, anterior view. Scale: A–K = 2.0 mm; L = 1.0 mm.
Figure 7 in Revision of the Indo-West Pacific Coral Reef Mantis Shrimp Genus, Gonodactylopsis Manning, 1969 (Crustacea: Stomatopoda: Gonodactylidae)
Figure 7. Gonodactylopsis lata sp. nov., telson outline, Papua New Guinea: (A) male, TL 10 mm, MNHN IU-2014-966; (B) female, TL 13 mm, MNHN IU-2014-965; (C) female, TL 15 mm, MNHN IU-2014-187; (D) male, TL 16 mm, AM P105858. Scale = 1.0 mm.
Figure 4 in Revision of the Indo-West Pacific Coral Reef Mantis Shrimp Genus, Gonodactylopsis Manning, 1969 (Crustacea: Stomatopoda: Gonodactylidae)
Figure 4. Gonodactylopsis drepanophora (De Man, 1902): A–J, female, TL 22 mm, Okinawa, Japan, USNM 307225; K, female, TL 18 mm, Ambon, Indonesia, USNM 155707. (A) anterior cephalothorax, dorsal view; (B) ocular scales; (C) right antenna, lateral view; (D) right raptorial claw, lateral view; (E) thoracic somites 6–8, lower right lateral view; (F) abdominal somite 6, telson and right uropod; (G) abdominal somites 4 and 5 posterolateral margin, lateral view; (H) right uropod, ventral view; (I) telson, right lateral view; (J) telson, ventral view; (K) telson, dorsal view. Scale = 1.0 mm.
Figure 2 in Revision of the Indo-West Pacific Coral Reef Mantis Shrimp Genus, Gonodactylopsis Manning, 1969 (Crustacea: Stomatopoda: Gonodactylidae)
Figure 2. Gonodactylopsis herdmani (Tattersall, 1906): A–K, lectotype female, TL 26 mm, Ceylon, NHM 1906.10.27.1; L, paralectotype female, TL 28 mm, Ceylon, NHM 1906.10.27.1. (A) anterior cephalothorax, dorsal view; (B) right eye, lateral view; (C) ocular scales; (D) rostral plate, lateral view; (E) right antenna, lateral view; (F) right raptorial claw, lateral view; (G) thoracic somites 6–8, right lateral view; (H) abdominal somite 5 and 6, telson and left uropod; (I) abdominal somites 5, 6 and telson, lateral view; (J) right uropod, ventral view; (K) telson, ventral view; (L) telson, dorsal view. Scale = 2.0 mm.
Figure 5 in Revision of the Indo-West Pacific Coral Reef Mantis Shrimp Genus, Gonodactylopsis Manning, 1969 (Crustacea: Stomatopoda: Gonodactylidae)
Figure 5. Gonodactylopsis komodoensis sp. nov.: A–L, male, TL 16 mm, Bunaken, Indonesia, AM P105857; M, male, TL 11 mm, Siladen Island, Indonesia, AM P105856; N, holotype female, TL 22 mm, Komodo, Indonesia, USNM 260914. (A) anterior cephalothorax, dorsal view; (B) right eye, lateral view; (C) ocular scales; (D) rostral plate, lateral view; (E) right antenna, lateral view; (F) right raptorial claw, lateral view; (G) thoracic somites 6–8, right lateral view; (H) abdominal somite 6, telson and right uropod; (I) abdominal somites 5, 6 and telson, lateral view; (J) right uropod, ventral view; (K) telson, ventral view; (L) right pleopod 1 endopod, anterior view; (M, N) telson, dorsal outline. Scale: A–K, M, N = 2.0 mm; L = 1.0 mm.
Figure 3 in Revision of the Indo-West Pacific Coral Reef Mantis Shrimp Genus, Gonodactylopsis Manning, 1969 (Crustacea: Stomatopoda: Gonodactylidae)
Figure 3. Gonodactylopsis drepanophora (De Man, 1902): A–H, holotype female, TL 19 mm, Ternate, Indonesia, SMF 5773; I–J, male, TL 12 mm, E Ashmore Reef, WAM C54274. (A) anterior cephalothorax, dorsal view; (B) ocular scales; (C) right antenna, lateral view; (D) right raptorial claw, lateral view; (E, I) abdominal somite 6, telson and right uropod; (F) telson, lateral view; (G) telson submedian and intermediate teeth, ventral view; (H) right uropod, ventral view; (J) right pleopod 1 endopod, anterior view. Scale: A–H = 1.0 mm, I = 0.8 mm, J = 0.4 mm.
Figure 1 in Victoriasquilla poorei, a new genus and species of mantis shrimp from southern Australia, and a range extension for Hadrosquilla edgari Ahyong, 2001 (Crustacea: Stomatopoda: Nannosquillidae)
Figure 1. Victoriasquilla poorei gen et sp. nov., male holotype, TL 17 mm (NMV J53108). A, anterior cephalothorax. B, right eye, lateral view. C, right antennal protopod, lateral view. D, right raptorial claw, lateral view. E, thoracic somites 5–8, right dorsal view. F–H, right pereopods 1–3, respectively, posterior view. I, posterior abdomen, telson and right uropod, dorsal view. J, posterior abdomen and telson, right lateral view. K, right uropod, ventral view. L, telson, ventral view. Scale 1.0 mm
Mantis shrimp locomotion: coordination and variation of hybrid metachronal swimming
<p><span>Across countless marine invertebrates, coordination of closely spaced swimming appendages is key to producing diverse locomotory behaviors. Using a widespread mechanism termed hybrid metachronal propulsion, mantis shrimp swim by moving five paddle-like pleopods along their abdomen in a posterior to anterior sequence during the power stroke and a near-synchronous motion during the recovery stroke. Despite the ubiquity of this mechanism, it is not clear how hybrid metachronal swimmers coordinate and modify individual appendage movements to achieve a range of swimming capabilities. Using high-speed imaging, we measured pleopod kinematics of mantis shrimp (<em>Neogonodactylus</em> <em>bredini</em>) while they performed two swimming behaviors: burst swimming and taking off from the substrate. By tracking each of the five pleopods, we tested how stroke kinematics vary across swimming speeds and the two swimming behaviors. We found that mantis shrimp achieve faster swimming speeds through a combination of higher beat frequencies, smaller stroke durations, and partially via larger stroke angles. The five pleopods exhibit non-uniform kinematics that contribute to the coordination and forward propulsion of the whole system. Micro-hook structures (retinacula) connect each of the five pleopod pairs and differ in their attachment across pleopods – possibly contributing to passive kinematic control. We compare our findings in <em>N</em>. <em>bredini</em> to previous studies to identify commonalities across hybrid metachronal swimmers at high Reynolds numbers and centimeter scales. Through our large experimental dataset and by tracking each pleopod's movements, our study reveals key parameters by which mantis shrimp adjust and control their swimming, yielding diverse locomotor abilities.</span></p>
Mantis shrimp locomotion: coordination and variation of hybrid metachronal swimming
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Data from: Context-dependent scaling of kinematics and energetics during contests and feeding in mantis shrimp
Measurements of energy use, and its scaling with size, are critical to understanding how organisms accomplish myriad tasks. For example, energy budgets are central to game theory models of assessment during contests and underlie patterns of feeding behavior. Clear tests connecting energy to behavioral theory require measurements of the energy use of single individuals for particular behaviors. Many species of mantis shrimp (Stomatopoda: Crustacea) use elastic energy storage to power high-speed strikes that they deliver to opponents during territorial contests and to hard-shelled prey while feeding. We compared the scaling of strike kinematics and energetics between feeding and contests in the mantis shrimp Neogonodactylus bredini. We filmed strikes with high-speed video, measured strike velocity, and used a mathematical model to calculate strike energy. During contests, strike velocity did not scale with body size but strike energy scaled positively with size. Conversely, while feeding, strike velocity decreased with increasing size and strike energy did not vary according to body size. Individuals most likely achieved this strike variation through differential compression of their exoskeletal spring prior to the strike. Post-hoc analyses found that N. bredini used greater velocity and energy when striking larger opponents, yet variation in prey size was not accompanied by varying strike velocity or energetics. Our estimates of energetics inform prior tests of contest and feeding behavior in this species. More broadly, our findings elucidate the role behavioral context plays in measurements of animal performance.
Scaling and development of elastic mechanisms: the tiny strikes of larval mantis shrimp
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Data from: Smashing mantis shrimp strategically impact shells
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Data from: Context-dependent scaling of kinematics and energetics during contests and feeding in mantis shrimp
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Data from: Contests with deadly weapons: telson sparring in mantis shrimp (Stomatopoda)
Mantis shrimp strike with extreme impact forces that are deadly to prey. They also strike conspecifics during territorial contests, yet theoretical and empirical findings in aggressive behaviour research suggest competitors should resolve conflicts using signals before escalating to dangerous combat. We tested how Neogonodactylus bredini uses two ritualized behaviours to resolve size-matched contests: meral spread visual displays and telson (tailplate) strikes. We predicted that (i) most contests would be resolved by meral spreads, (ii) meral spreads would reliably signal strike force and (iii) strike force would predict contest success. The results were unexpected for each prediction. Contests were not resolved by meral spreads, instead escalating to striking in 33 of 34 experiments. The size of meral spread components did not strongly correlate with strike force. Strike force did not predict contest success; instead, winners delivered more strikes. Size-matched N. bredini avoid deadly combat not by visual displays, but by ritualistically and repeatedly striking each other's telsons until the loser retreats. We term this behaviour 'telson sparring', analogous to sparring in other weapon systems. We present an alternative framework for mantis shrimp contests in which the fight itself is the signal, serving as a non-lethal indicator of aggressive persistence or endurance.
FIGURE 1 in The rare mantis shrimp Areosquilla indica (Hansen, 1976) (Crustacea, Stomatopoda) from the Great Barrier Reef: first Australian records of the genus and species
FIGURE 1. Areosquilla indica (Hansen, 1926), male, TL 38 mm (QM W27950). A, anterior cephalothorax; B, right eye; C, right dorsal process of antennular process, lateral view; D, left raptorial claw; E, right thoracic somites 5–8, dorsal view; F, right thoracic somite 5, lateral view; G, thoracic somite 8 sternal keel, right lateral view; H, posterior abdominal somites, telson and right uropod; I, right uropod, ventral view; J, right pleopod 1 endopod, anterior view. Scale A–F, H, I = 2.0 mm; G, J = 1.0 mm.
FIGURE 2. A–C in Unusual preservation of fossil mantis shrimp (Stomatopoda): occurrence of mandibles from the Pleistocene Ogushi Formation, Kyushu, Japan
FIGURE 2. A–C, right mandible of Stomatopoda (MFM214701). A, occlusal view. B, anterior view. C, posterior view. D–E, right mandible of Stomatopoda (GCM-IVP3141). D, occlusal view. E, posterior view. F, fragment of stomatopod right mandible, occlusal view (GCM-IVP3142). G, right mandible of extant specimen, Oratosquilla oratoria (de Haan, 1844) (MFM214702), posterior view. H–L, fragments of dactylus of the raptorial claw of Stomatopoda. H, MFM214703. I, GCM-IVP3143. J, GCM-IVP3144. K, MFM214704. L, GCM-IVP3145. All scale bars represent 2 mm.
FIGURE 1. A–B in First records of seven species of mantis shrimp from India (Crustacea: Stomatopoda)
FIGURE 1. A–B, Lysiosquillina lisa AHYONG & RANDALL, 2001, ANTERIOR CEPHALOTHORAx AND DORSAL HABITUS, MOULT, MALE, TL 280 MM, TUTICORIN, DABFUK; C, Odontodactylus cultrifer (WHITE, 1851), MALE, TL 90 MM, MUTTOM, DABFUK; D, Odontodactylus japonicus (DE HAAN, 1844), FEMALE, TL 84 MM, MUTTOM, DABFUK; E, Faughnia formosae MANNING & CHAN, 1997, MALE, TL 103 MM, MUTTOM, DABFUK.
FIGURE 3. A in First records of seven species of mantis shrimp from India (Crustacea: Stomatopoda)
FIGURE 3. A, Quollastria gonypetes (KEMP, 1911), FEMALE, TL 72 MM, MUTTOM, DABFUK; B, Quollastria kapala AHYONG, 2001, FEMALE, TL 88 MM, MUTTOM, ZRC; C, Squilloides leptosquilla (BROOKS, 1886), MALE, TL 105 MM, KOLLAM, ZRC.
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Allen Brain Atlas
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Annotated Behaviour and Observability Dataset (ABODe)
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DANDI Archive for NWB datasets
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OpenNeuro
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