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Fish Diversity VI

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... (higher spiny fishes) -Most diverse and diverse fishes 13500 spp. 251 families ACANTHOPTERYGII ACANTHOPTERYGII Series PERCOMORPHA Synapomorphy: ... – PowerPoint PPT presentation

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Title: Fish Diversity VI


1
Fish Diversity VI
2
TELEOSTEI EUTELEOSTI NEOTELEOSTS ACANTHOM
ORPHA ACANTHOPTERYGII
  • Synapomorphy
  • Maximal upper jaw mobility and protrusability
    (premaxillae ascending process)
  • Highly developed pharyngeal dentition

3
ACANTHOPTERYGII
Superorder ACANTHOPTERYGII (higher spiny
fishes) -Most diverse and diverse fishes 13500
spp. 251 families
4
Superorder Acanthopterygii
  • Series Mugilimorpha (1 fam.)
  • Order Mugiliformes (mullets)
  • Nearshore catadromous species
  • Separated spiny and soft dorsal fins
  • Detritivorous and planktivorous
  • Family Mugilidae
  • (Genus Liza, Mugil,...)

5
Superorder Acanthopterygii
  • Series Atherinimorpha
  • All are surface feeders
  • Order Atheriniformes (8 fam.)
  • Family Atherinidae (silversides)
  • Order Beloniformes (5 fam.)
  • Family Belonidae (needlefishes)
  • Family Exocetidae (flyingfish)
  • Order Cyprinidontiformes (8 fam.)
  • Family Fundilidae (killifishes)
  • Family Poecilidae (guppies, mollies)
  • Family Cyprinodontidae (pupfishes)

6
ACANTHOPTERYGII
  • Synapomorphy
  • Anterior pelvic girdle conected to pectoral
    girdle
  • Pelvic fin typically I,5

Series PERCOMORPHA
7
Superorder Acanthopterygii
  • Order Stephanobercyformes (9 fam.)
  • Deep water, photophores, reduced spines
  • Order Bercyformes (7 fam.)
  • Large eyes (deepwater or nocturnal), strong
    spines
  • Family Trachichthydae (orange roughies)
  • Family Holocentridae (squirrelfishes and
    soldierfishes)

8
Superorder Acanthopterygii
  • Order Gasterosteiformes (11 fam.)
  • Small mouths and dermal plates
  • Family Gasterosteidae (sticklebacks)
  • Family Signathidae (pipefishes and seahorses)
  • Family Aulostomidae (trumpetfishes)
  • Order Scorpaeniformes (25 fam.)
  • Spines projecting from head bones
  • Benthic habitats
  • Family Scorpaenidae (Rockfishes and
    Scorpionfishes)
  • Family Cottidae (Sculpins)

9
ACANTHOPTERYGII
Series PERCOMORPHA
10
Superorder Acanthopterygii
  • Order Perciformes (148 fam.)
  • 9300 spp. (1/3 of all fishes)
  • Suborder Percoidei (71 fam.)
  • Spines in dorsal, pelvic and anal fins
  • Two dorsal fins
  • Ctenoid scales
  • Pelvic fins in thoracic position, laterally
    positioned pectoral fins...
  • Representative families
  • Serranidae (groupers) Carangidae (jacks)
  • Centrarchidae (sunfishes black-basses)
  • Lutjanidae (snappers) Spariidae (porgies)
  • Scianenidae (drums) Mullidae (goatfishes)
  • Chaetodontidae (butterflyfishes)
  • Pomacanthidae (angelfishes)

11
Superorder Acanthopterygii
  • Order Perciformes (148 fam.)
  • Suborder Elassomatoidei (1 fam.)
  • Family Elassomateidae (pigmy sunfishes)
  • Suborder Labroidei (6 fam.) (2200 spp.)
  • Advanced faryngeal jaws
  • Family Labridae (Wrasses)
  • Family Scaridae (parrotfishes)
  • Family Pomacentridae (damselfishes)
  • Family Cichlidae (cichlids)

12
Superorder Acanthopterygii
  • Order Perciformes (148 fam.)
  • Suborder Zoarcoidei (9 fam.)
  • Family Zoarcidae (eel pouts)
  • Family Anarchichadidae (wolfishes)
  • Suborder Gobiodei (8 fam.)
  • Modified pelvic fins (disc or suction cup)
  • Family Gobiidae (Gobies) (1875 spp.)
  • Suborder Acanthuroidei (6 fam.)
  • Family Acanthuridae (surgeonfishes and
    unicornfishes)
  • Family Zanclidae (moorish idol)

13
Superorder Acanthopterygii
  • Order Perciformes (148 fam.)
  • Suborder Scombroidei
  • Family Sphyraenidae (barracudas)
  • Family Scombridae (Mackerels ans tunas)
  • Family Xiphiidae (swordfish)
  • Family Istiophoridae (marlins and spearfishes)
  • And many more......

14
ACANTHOPTERYGII
Series PERCOMORPHA
15
Superorder Acanthopterygii
  • Order Pleuronectiformes (11 fam.)
  • Eyes on same side of the head
  • Compressed bodies
  • Benthic habitats
  • Family Pleuronectidae (righteye flounders)
  • Family Bothidae (lefteye flounders)
  • Familt Soleidae (soles)

16
Superorder Acanthopterygii
  • Order Tetraodontiformes (9 fam.)
  • Craneal bone fusions
  • Thick leathery skin, highly modified scales
  • Family Balistidae (triggerfishes)
  • Family Monacanthidae (filefishes)
  • Family Ostraciidae (boxfishes)
  • Family Tetraodontidae (puffers)
  • Family Diodontidae (porcupinefishes)
  • Family Molidae (molas)
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