44 hom ntawm tsev neeg Syngnathidae hu ua seahorses, nyob rau hauv uas peb kuj nrhiav tau yeeb nkab ntses thiab hiav txwv zaj. Tag nrho cov no yog cov ntses tshwj xeeb uas yog cov yam ntxwv ntawm lawv cov duab eccentric thiab los ntawm kev xav " xeeb tub" ntawm tus txiv neej.
Tsis zoo li lwm tsev neeg, seahorses belongs rau genus Hippocampus. Lub npe tshawb fawb no hais txog cov duab ntawm lawv lub taub hau, zoo ib yam li nees (hippo) thiab lawv cov yam ntxwv tsis tshua muaj, uas ua rau lawv zoo li lub hiav txwv monsters (tsev kawm ntawv). Koj puas xav paub cov ntses zoo dua? Hauv tsab xov xwm no ntawm peb lub xaib peb qhia rau koj seahorses noj dab tsi and some of their most curious character.
Txoj Neeb ntawm seahorses
Ua ntej yuav paub tias seahorses noj dab tsi, peb yuav tsum paub cov yam ntxwv ntawm lawv cov zaub mov. Seahorses yog ntses uas ntsuas ntawm 2 mus rau 30 centimeters. Zoo li txhua tus Actinopterygians, lawv muaj lub cev pob txha sab hauv uas peb paub tias yog "tus txha nraub qaum". Nws qhov tshwj xeeb tshaj plaws yog morphology ntawm nws lub taub hau, uas muaj tubular snout vim yog kev sib xyaw ntawm nws lub puab tsaig.
Lwm tus yam ntxwv tseem ceeb ntawm seahorses yog lawv peculiar qhov muag, uas txav mus rau txhua qhov kev taw qhia thiab ntawm nws tus kheej. Raws li rau nws tus Tsov tus tw, nws yog prehensile thiab curls inwards nyob rau hauv ib tug zoo xws li txoj kev mus rau tus Tsov tus tw ntawm ntau liab. Lawv siv nws los khi rau pob zeb, corals thiab algae. Thaum kawg, peb tsis tuaj yeem hnov qab lub npe lub hnab incubator uas cov txiv neej nyob hauv plab.
Vim lawv lub cev zoo nkauj, seahorses swim clumsily. Yog li ntawd, lawv tau tsim ntau lub tswv yim uas tiv thaiv lawv ntawm lawv cov tsiaj txhu. Ib tug ntawm lawv yog nws tej cuab yeej cuab tam, ua los ntawm cov pob txha rings uas npog tag nrho nws lub cev. Cov rings no yuav muaj cov pob txha lossis pob txha protrusions uas pab lawv camouflage ntawm cov corals. Tsis tas li ntawd, lawv sib xyaw nrog lawv ib puag ncig los ntawm hloov xim
Thaum kawg, tus yam ntxwv tshwj xeeb tshaj plaws ntawm seahorse yog nws cov kev tsim tawm. Peb qhia koj txog qhov no hauv lwm tsab xov xwm txog Kev Tshaj Tawm ntawm seahorse.
Seahorse Habitat
Yuav xav txog tej yam uas seahorses noj, peb yuav tsum paub tias lawv yog cov tsiaj nyob rau hauv qhov chaw tshwj xeeb. Cov no yog cov barrier reefs, seagrasses, the mangroves and los estuaries Cov ecosystems tshwj xeeb no tau muab faib thoob plaws hauv dej sov thiab kub thoob ntiaj teb, tshwj xeeb.
Nyob rau hauv cov chaw no thiaj li muaj sia nyob, cov seahorses tseem nyob thiab muab zais ntawm algae, pob zeb los yog xuab zeb. Vim li no, lawv zoo li tsis muaj teeb meem thiab nws nyuaj rau xav txog yam lawv pub rau. Cia peb saib!
seahorses noj dab tsi?
Hippocampi yog cov tsiaj txhu thiab voracious predators ntawm lwm yam kab mob uas nyob rau ntawm ntug dej hiav txwv. Tab sis dab tsi tiag tiag seahorses noj? Lawv cov zaub mov nyiam yog me crustaceans, txawm hais tias tsuas yog qhov yuav tsum tau ua ntawm lawv cov tsiaj nyeg yog kom haum rau hauv lawv lub qhov ncauj. Yog li, nyob rau hauv kev noj haus ntawm seahorses koj tuaj yeem pom cov annelids, cnidarian larvae, fingerling ntses, thiab lwm yam.
Mus yos hav zoov, siv lawv lub peev xwm camouflage thiab sawv ntsug kiag li. Lawv cov tactic yog tos ua siab ntev rau tus tsiaj mus kom ze. Tom qab ntawd, lawv nqus lawv ua tsaug rau lawv cov snout thiab nqos lawv ciaj sia. Qhov no piav qhia vim li cas lawv lub qhov muag zoo ib yam li cov chameleons, uas nws txoj kev yos hav zoov zoo sib xws. Tshawb nrhiav lwm Cov Tsiaj Tsiaj uas camouflage lawv tus kheej hauv lwm tsab xov xwm no.
Nyob rau me nyuam seahorses
Seahorse pups yug me me thiab yog planktonic. Qhov no txhais tau hais tias lawv nyob raug tshem tawm hauv dej hiav txwv ua ke nrog lwm cov kab mob, xws li microscopic algae (phytoplankton) thiab tsiaj me (zooplankton).
Txawm tias lawv qhov me me, cov menyuam yaus seahorse muaj lub plab zom mov zoo, yog li lawv cov zaub mov zoo ib yam li cov niam txiv. Yog li ntawd, yog cov tsiaj txhu thiab pub rau zooplankton uas ntab nrog lawv nyob hauv dej hiav txwv. Cov kab mob no suav nrog copepods thiab krill, uas yog me me crustaceans.
Seahorse trivia
Tam sim no koj paub tias seahorses noj dab tsi, tej zaum koj tseem yuav muaj lus nug. Vim li no, peb tau sau ua ke qee qhov kev xav paub ntau ntawm seahorses.
Ntseeg tus dej hiav txwv nyob hauv ntiaj teb yog dab tsi? Thiab qhov loj tshaj?
Satomi pygmy seahorse (Hippocampus satomiae) ntsuas tsuas yog 13 millimeters thiab yog tus me me seahorse paub txog niaj hnub no. Nws sib txawv nrog cov seahorse loj tshaj plaws nyob rau hauv lub ntiaj teb no, uas nws ntev tshaj 30 centimeters. Nov yog Australian loj-bellied seahorse (Hippocampus abdominalis).
Leej twg yog cov tsiaj nyeg ntawm seahorses?
Vim lawv cov camouflage thiab armor, cov tsiaj hauv hiav txwv no muaj tsawg tus tsiaj txhu. Txawm li cas los xij, qee tus tsiaj muaj peev xwm hla cov txheej txheem no. Ntawm cov tsiaj nyeg ntawm seahorse yog ntses loj pelagic (tuna, hiav txwv bream, thiab lwm yam), rays thiab qee cov noog thiab hiav txwv vaub kib.
Puas yog seahorse monogamous?
Qee hom seahorses yog lub caij nyoog monogamous, txhais tau tias lawv tsuas tuaj ua ke thaum lub caij yug me nyuam. Xyoo tom ntej, thaum txog lub caij yug me nyuam, lawv nrhiav lwm tus khub. Txawm li cas los xij, feem ntau seahorses yog polygamous, muaj ntau tus phooj ywg thaum tib lub caij yug me nyuam.
Seahorses sib txuas lus li cas?
Seahorses sib txuas lus los ntawm clicks imperceptible rau tib neeg pob ntseg. Lawv tshwj xeeb tshaj yog thaum sib tham thiab thaum pub mis. Tam sim no lawv tab tom kawm ntau heev.
Puas yog seahorses nyob rau hauv txaus ntshai ntawm extinction?
Tam sim no, 42 hom seahorses are on the IUCN Red List of Endangered Species. Ntawm lawv, 12 hom tau muab cais ua qhov tsis muaj zog thiab ob qho kev phom sij ntawm kev puas tsuaj.
Nws qhov kev hem thawj tseem ceeb yog kev poob vaj tse, trawling, huab cua hloov pauv thiab muaj kuab paug. Txhua txhua xyoo, ntau tshaj 15 lab seahorses raug ntes, ob qho tib si raug (los ntawm trawlers) thiab txhob txwm ua. Qhov no yog vim cov seahorses tseem siv rau hauv cov tshuaj tsoos, hauv cov thoob dej yug ntses thiab ua ornamentation.
