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Caprella unica gnathopods 2Caprella unica/ Caprella grahami gnathopods 2Specimens from: National Museum of Natural History, Washington DC: (NMNH) 305797-8; (NMNH) 1110829 (labeled C. grahami)
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Caprella dilatata gnathopod 2Caprella dilatata gnathopod 2Specimen: National Museum of Natural History, Washington DC: (NMNH) 23208; Received from the Zoo. Sta. Naples, Italy; Acc No 27,047, 1893. Labelled as C. acutifrons
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Caprella dilatata femaleCaprella dilatata femaleSpecimen: National Museum of Natural History, Washington DC: (NMNH) 23208; Received from the Zoo. Sta. Naples, Italy; Acc No 27,047, 1893. Labelled as C. acutifrons
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Caprella lilliputCaprella lilliput individuals showing miniature size.Specimens from: National Museum of Natural History, Washington DC: (NMNH) 305416
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Mayerella banksia (Laubitz, 1970) Common name: Skeleton Shrimp Mayerella banksia collected at Rosario Bay among drift algae. Photo by: Christina Smith, June2002
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Caprella andreae maleCaprella andreae maleSpecimen: National Museum of Natural History, Washington DC: (NMNH) 113051
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This closeup shows pereonites 5-7 with their appendages, pereopods 5-7. Pereopods 5-7 arise from the posterior end of their segment (pereonite) and are used for gripping the substrate such as this eelgrass blade. The left pereopod 7 is missing.
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Caprella andreae head and gnathopodsCaprella andreae head and gnathopodsSpecimen: National Museum of Natural History, Washington DC: (NMNH) 113051
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The propodus of gnathopod 2 is less than 2/3 as wide as it is long. Note also the gill on the segment behind.
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Caprella carina pereopods 6 + 7Caprella carina pereopods 6 & 7Specimen: National Museum of Natural History, Washington DC: (NMNH) 134426-7
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2001 California Academy of Sciences
CalPhotos
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This ventral view shows there is no spine between the large gnathopods 2 and shows the location of the gills.
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Caprella carina maleCaprella carina maleSpecimen: National Museum of Natural History, Washington DC: (NMNH) 134426-7
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This view of the head (animal is looking to the left) shows the very large second antennae to the left, then the head with sessile eyes and prominent, forward-directed head spine. Below the head can be seen the first gnathopods which are on the anterior end of the first thoracic segment (pereonite), which extends out of view to the right.
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Caprella carina gnathopodsCaprella carina gnathopodsSpecimen: National Museum of Natural History, Washington DC: (NMNH) 134426-7
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Caprella angusta from eelgrass in Padilla Bay. Total length about 4 cm. One of the ventral flaplike gills is visible posterior to the large grasping gnathopods 2, right at the end of the eelgrass. (Photo by: Dave Cowles, July 2008)
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Caprella carina femaleCaprella carina femaleSpecimen: National Museum of Natural History, Washington DC: (NMNH) 134426-7
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Caprella danilevskii male showing gnathopod 2Caprella danilevskii male showing gnathopod 2Specimens: National Museum of Natural History, Washington DC: (NMNH) 305410-305411
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Aeginella spinosa GnathopodsGnathopods I and II of Aeginella spinosa specimens (National Museum of Natural History, Washington DC: (NMNH) 34786; Id J. McCain 1966; From Cable Banquereau; USFC 1878)
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Aeginella spinosa Head and Gnathopods Head and Gnathopods of Aeginella spinosa specimens (National Museum of Natural History, Washington DC: (NMNH) 34786; Id J. McCain 1966; From Cable Banquereau; USFC 1878)
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Aeginella spinosaDorsal spination of Aeginella spinosa specimens (National Museum of Natural History, Washington DC: (NMNH) 34786; Id J. McCain 1966; From Cable Banquereau; USFC 1878)