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Week 10: Acanthopterygii Atherinomorpha Percomorpha Beryciformes Gasterosteiformes

Week 10: Acanthopterygii Atherinomorpha Percomorpha Beryciformes Gasterosteiformes. Gasterosteiformes ~280 sp bony circular plates no scales oviparity external fertilization. Gasterosteiformes monophyletic end branch. most ancestral. NEAq. NEAq. Gasterosteidae

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Week 10: Acanthopterygii Atherinomorpha Percomorpha Beryciformes Gasterosteiformes

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  1. Week 10: Acanthopterygii Atherinomorpha Percomorpha Beryciformes Gasterosteiformes

  2. Gasterosteiformes ~280 sp bony circular plates no scales oviparity external fertilization

  3. Gasterosteiformes monophyletic end branch

  4. most ancestral NEAq NEAq

  5. Gasterosteidae 2 to 9 dorsal spines independent ~pelvic ~anal narrow peduncle longitudinal keels four-spine stickleback Apeltes quadracus nine-spine stickleback Pungitius pungitius

  6. brackish freshwater N. Hemisphere marine nearshore ~ 3 in. nine spine stickleback Pungitius pungitius

  7. 9-day old kingfisher chicks swallow sticklebacks whole... NG 11/09

  8. three spine stickleback Gasterosteus aculeatus courtship aggression parental care nest building/ kidney glue

  9. Gasterosteiformes monophyletic end branch NEAq

  10. extended snout w/out teeth vertical position

  11. Macroramphosidae Centriscidae Pegasidae snipefishes shrimpfishes sea moths ~5 sp. tropical temperate Indo-Pacific Macroramphosus graciliis Aeoliscus strigatus ww tropical IndoPacific NEAq

  12. “more derived” trumpetfish pipefish no pelvic fin small anal fin

  13. Aulostomidae trumpetfishes ~3 sp. Syngnathidae NEAq extended snout protrusible mouth Aulostomidae Aulostomus sp.

  14. top reef predators Pacific trumpetfish Aulostomus chinensis

  15. barbel Pacific trumpetfish Aulostomus chinensis reef riders

  16. Syngnathidae pipefishes ~200 sp. broadnose pipefish Syphonostoma typhale no teeth protrusible mouth

  17. marine pipefish freshwater pipefish

  18. male body brooding elaborate courtship ~monogamy straight nose pipefish Nerophis ophidion

  19. Syngnathidae Australian seadragons ~25 sp. epidermal extensions

  20. weedy seadragon Phyllopteryx taeniolatus leafy seadragon Phycodorus eques

  21. male body brooding male leafy sea dragon Phycodorus eques

  22. Syngnathidae seahorses ~36 sp. Hippocampus sp. female lined seahorse Hippocampus erectus vertically oriented no pelvic fins prehensile tail sealed brood pouch

  23. distensible snout prehensile tail

  24. Syngnathidae seahorses H. ramulosus

  25. spotted H. abdominalis with 3 H. breviceps

  26. sealed brood chamber H. whitei elaborate courtship monogamy

  27. H. breviceps male with brood 2 to 4 weeks ~ ~births 10-1000 live young temperature hormone prolactin (mammal milk production)

  28. Tarpon Springs, FL, H. hudsonius souvenir

  29. pygmy seahorses Solomon Islands

  30. pygmy seahorses

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