Introduced and invasive species
Invasive Elodea
A Three-spine Stickleback swims by strands of invasive Elodea weed in Eyak Lake near Cordova, Alaska.
ActinopterygiiAlaskaChordataClass ActinopterygiiCordovaElodiaEyak LakeGasterosteiformesGasterosteus aculeatusInfraclass TeleosteiNeopterygiiPhylum ChordataPrince William SoundSouth Central AlaskaSubclass NeopterygiiTeleostTeleosteiThreespine SticklebackUnited StatesVertebratechordateinvasiveinvasive speciesunder fresh waterunderwaterwww.salmonography.com
Blacktail Snapper
Blacktail Snapper (Lutjanus fulvus), a non-native fish species that was deliberately introduced to Hawaii in the 1950s, photographed under water at Molokini Crater which is offshore of Maui, Hawaii, USA.
ActinopterygiiBlacktail SnapperChordataClass ActinopterygiiFishInfraclass TeleosteiLutjanidaeLutjanus fulvusMolokini Crater dive siteNeopterygiiPerciformesPercoideiPhylum ChordataSeacam underwater housingSubclass NeopterygiiTeleostTeleosteiVertebrateanimalsaquariumaquaticbiospherechordatecolorfulcoraldeepdivedivingexoticfinfood fishin situlifemarinenaturalworldoceanreefsaltwaterscubaseasnapperspinyfinned fishswimswimmingtanktraveltropicalunderwatervacationwaterwildlifewinter
Lurking Peacock Grouper
Peacock Grouper (Cephalopholis argus) lurking in a Hawaiian reef comprised of lava and coral. The Peacock Gouper is now considered to be an invasive species.
ActinopterygiiCephalopholis argusChordataClass ActinopterygiiInfraclass TeleosteiKona coast dive siteNeopterygiiPeacock GrouperPerciformesPercoideiPhylum ChordataPyramid PinnacleSeacam underwater housingSerranidaeSubclass NeopterygiiTeleostTeleosteiVertebratebiospherechordatein situmarine lifenaturalworldnatureunderwaterunderwaterphotowildwinter
Schooling Bluestripe Snapper
School of Bluestripe Snapper (Lutjanus kasmira), a species that was deliberately introduced into Hawaiian waters that is now considered to be an invasive species.
ActinopterygiiBluestripe SnapperChordataClass ActinopterygiiInfraclass TeleosteiKauai IslandLutjanidaeLutjanus kasmiraNeopterygiiPerciformesPercoideiPhylum ChordataSeacam underwater housingSubclass NeopterygiiTeleostTeleosteiVertebratebiospherechordatein situintroduced speciesinvasiveinvasive speciesmarine lifenaturalworldnaturescubascuba divingunderwaterunderwater photographyunderwaterphotowild
Peacock Grouper with prey
Peacock Grouper (Cephalopholis argus) swims by with fish prey in its mouth off Kauai, Hawaii, USA during the spring. The Peacock Gouper is now considered to be an invasive species.
ActinopterygiiCephalopholis argusChordataClass ActinopterygiiHawaiiInfraclass TeleosteiKauai IslandKauai dive site Sheraton CavernsNeopterygiiPeacock GrouperPerciformesPercoideiPhylum ChordataSeacam underwater housingSerranidaeSpringSubclass NeopterygiiTeleostTeleosteiUnited StatesVertebratebiospherechordatein situintroduced speciesinvasiveinvasive speciesmarine lifenaturalworldnaturescubascuba divingunderwaterunderwater photographyunderwaterphotowild
Native and introduced sargeants at a cleaning station
Hawaii has two closely-related sargeant fish species, the native and endemic Hawaiian Sargeant (Abudeduf abdomalis) and the invasive Indopacific Sargeant (Abudeduf vaigiensis) that can and have interbred.
Abudefduf abdominalisAbudefduf vaigiensisActinopterygiiBig IslandChordataClass ActinopterygiiCleaner WrasseHawaiiHawaii IslandHawaiian SergeantIndoPacific SergeantInfraclass TeleosteiKonaLabridaeLabroideiLabroides phthirophagusNeopterygiiPerciformesPhylum ChordataPomacentridaeSeacam underwater housingSubclass NeopterygiiTeleostTeleosteiThe Big IslandUnited StatesVertebratebiospherechordatecleaning stationin situinvasive speciesmarine lifenaturalworldnatureunderwaterunderwaterphotowild
Schooling Bluestripe Snappers
Schooling Bluestripe Snappers (Lutjanus kasmira), a species deliberately introduced into Hawaian waters and now considered invasive, off the Kona coast, The Big island, Hawaii, USA.
ActinopterygiiBig IslandBluestripe SnapperChordataClass ActinopterygiiHawaiiHawaii IslandInfraclass TeleosteiKonaLutjanidaeLutjanus kasmiraNeopterygiiPerciformesPercoideiPhylum ChordataSeacam underwater housingSubclass NeopterygiiTeleostTeleosteiThe Big IslandUnited StatesVertebratebiospherechordatein situmarine lifenaturalworldnatureunderwaterunderwaterphotowild
Bluestripe Snapper school
Bluestripe Snapper (Lutjanus kasmira), an invaisive species, schooled at Garden Eel Cove, Kona Coast, Hawaii Island during the spring.
ActinopterygiiBluestripe SnapperChordataClass ActinopterygiiInfraclass TeleosteiKaloko ArchesKona coast dive siteLutjanidaeLutjanus kasmiraNeopterygiiPacificstock RFPerciformesPercoideiPhylum ChordataSeacam underwater housingSpringSubclass NeopterygiiTeleostTeleosteiVertebratebiospherechordatein situintroduced speciesinvasiveinvasive speciesmarine lifenaturalworldnatureunderwaterunderwaterphotowildwww.salmonography.com
Brook Trout and precotial parr male observe a female Chinook Salmon
A Brook Trout (Salvelinus fontinalis), an introduced species, and a precotial parr stage male observe a female Chinook Salmon a.k.a King salmon (Oncorhynchus tshawytscha) spawner in the Yakima River, Washington, USA.
ActinopterygiiAlaska wild salmonBrook TroutChinook SalmonChordataClass ActinopterygiiEastonInfraclass TeleosteiKing SalmonNeopterygiiOncorhynchus tshawytschaPacific salmonPhylum ChordataSalmonidaeSalmoniformesSalmoninaeSalvelinus fontinalisSeacam underwater housingSubclass NeopterygiiSummerTeleostTeleosteiUnited StatesVertebrateWashington StateYakima Riveranadromousanadromybiospherechordatediadromousdiadromyfresh waterfreshwaterin situinvasive speciesloticmale behaviormigratorynaturalworldnaturephotographed under waterprecocious parrprecotial parrsemelparitysemelparousstreamunder fresh waterunderwaterunderwaterphotowild
Breeding female Indo-Pacific Sergeant
A breeding female Indo-Pacific Sergeant (Abudeduf vaigienesis), an invasive species, over her egg mass at Molokini Crater, Maui Island, Hawaii. Her extended genital papilla is visible (forward of anal fin). Aspect Ratio = 16:9.
Abudefduf vaigiensisActinopterygiiBlueeye DamselfishChordataClass ActinopterygiiGenital PapillaIndoPacific SergeantInfraclass TeleosteiLabroideiMolokini Crater dive siteNeopterygiiPerciformesPhylum ChordataPlectroglyphiododon johnsonianusPomacentridaeSeacam underwater housingSubclass NeopterygiiTeleostTeleosteiVertebratebiospherechordatedamselfisheggsfemalein situmarine lifenaturalworldnaturereproductionspawningspawning behaviorunderwaterunderwaterphotowildwinter
Snowflake Coral
Snowflake Coral (Carijoa riisei), an invasive species, growing on the St. Anthony wreck at Maui Island, Hawaii.
AlcyonariaAnthozoaCarijoa riiseiClass AnthozoaClavulariidaeCnidariaHawaiiInvertebrateOctocoralliaOrder AlcyonariaPhylum CnidariaSeacam underwater housingSubclass OctocoralliaSuborder StoloniferaUnited Statesbiospherecnidariancoelenteratein situintroduced speciesinvasive speciesmarine lifenaturalworldnatureoctocoralsnowflake coralunderwaterunderwater photographyunderwaterphotowildwww.salmonography.com
Invasive and native freshwater macrophytes in the Eyak River, Alaska
Invasive Elodea found growing among native pondweed (Potamogeton spp.) in the Eyak River, near Cordova, Alaska/
ActinopterygiiAlaskaAngiospermChordataClass ActinopterygiiCopper River DeltaElodeaFamily HydrocharitaceaeFamily PotamogetonaceaeInfraclass TeleosteiKingdom PlantaeMonocotNeopterygiiOncorhynchus kisutchOrder AlismatalesPacific salmonPhylum ChordataPlantPond WeedPotamogetonSalmonidaeSalmoniformesSalmoninaeSouth Central AlaskaSouth Central Alaska 2Subclass NeopterygiiTeleostTeleosteiUnited StatesVertebrateaquatic macrophytebiospherechordatefryin situinvasiveinvasive speciesnaturalworldunderwaterwww.salmonography.com
Blacktail Snapper
Blacktail Snapper (Lutjanus fulvus), a non-native fish species that was deliberately introduced to Hawaii in the 1950s, photographed under water at Molokini Crater which is offshore of Maui, Hawaii, USA.
ActinopterygiiBlacktail SnapperChordataClass ActinopterygiiHawaiiInfraclass TeleosteiLutjanidaeLutjanus fulvusNeopterygiiPerciformesPercoideiPhylum ChordataSeacam underwater housingSubclass NeopterygiiTeleostTeleosteiUnited StatesVertebratebiospherechordatein situintroduced speciesmarinemarine lifenaturalworldnaturescubascuba divingsnapperunderwaterunderwater photographyunderwaterphotowildwww.salmonography.com
Cooperative hunting
A Peacock Grouper (Cephalopis argus), an introduced fish species, and a Whitemouth Moray Eel (Gymnothorax meleagris) hunting cooperatively on the Kona coast, the Big Island, Hawaii, USA.
ActinopterygiiAnguilliformesCephalopholis argusChordataClass ActinopterygiiGymnothorax meleagrisHawaiiInfraclass TeleosteiMuraenidaeNeopterygiiPeacock GrouperPerciformesPercoideiPhylum ChordataSeacam underwater housingSerranidaeSubclass NeopterygiiTeleostTeleosteiUnited StatesVertebrateWhitemouth Moray Eelbiospherechordatecoopertive huntinggrouperin situintroduced speciesinvasiveinvasive speciesmarine lifemoraymutualismnaturalworldnaturescubascuba divingunderwaterunderwater photographyunderwaterphotowild
Bluestripe Snappers
Bluestripe Snapper (Lutjanus kasmira), a species that was deliberately introduced into Hawaiian waters that is now considered to be an invasive species.
ActinopterygiiBluestripe SnapperChordataClass ActinopterygiiHawaiiInfraclass TeleosteiLutjanidaeLutjanus kasmiraNeopterygiiPerciformesPercoideiPhylum ChordataSeacam underwater housingSubclass NeopterygiiTeleostTeleosteiUnited StatesVertebratebiospherechordatein situintroduced speciesinvasiveinvasive speciesmarinemarine lifenaturalworldnaturescubascuba divingsnapperunderwaterunderwater photographyunderwaterphotowild