I-reef Caribbean shark (Carcharhinus perezii) ingeyoshaka abakhulu kakhulu, umndeni wakwaCarchinoids.
Izimpawu zangaphandle zikashaka wemifula
I-reef Caribbean shark inomzimba omise okokuphotha. Isifonyo sibanzi futhi siyindilinga. Umlomo ovulekile usesimeni se-arch enkulu enamazinyo angunxantathu aneziphetho ezinamaqhubu. Amehlo makhulu futhi ayindilinga. Isiphetho sokuqala somgogodla sikhulu, simise isikela, sigobile emaphethelweni angemuva. I-fin yesibili ngemuva incane. Amaphiko amise okwe-Crescent atholakala esifubeni. Umphetho womsila awulingani.
Umzimba ophezulu ungwevu noma onsundu ngokumpunga. Isisu simhlophe. Isiphetho sendunu engezansi nawo wonke amaphiko ahlanganisiwe anombala omnyama. I-reef Caribbean shark inobude obungu-152-168 cm futhi ikhula ize ifinyelele kuma-295 cm.
Ukusatshalaliswa koshaka osebeni lamakhorali
I-Caribbean reef shark idlulela kuyo yonke indawo yaseBelizean barrier reef, kufaka phakathi iHalf Mun-Ki neBlue Hole neGlovers Reef atoll marine reserves. Oshaka abasanda kuzalwa, abancane nabadala bemifula etholakala emadwaleni atholakala ezindaweni eziningana eziseBarrier Reef.
ECuba, kushaywe ushaka waseCaribbean eduze neziqhingi zaseJardines de la Reina nasendaweni yolwandle lapho kuhlala khona oshaka bayo yonke iminyaka. Ukudoba oshaka akuvunyelwe ngokuphelele kule ndawo.
E-Venezuela, i-Caribbean reef shark ingenye yezinhlobo ezivame kakhulu eziqhingini zasolwandle ezifana neLos Roques. Futhi ingenye yoshaka abavame kakhulu ezungeze iBahamas ne-Antilles.
EColombia, iCaribbean Reef Shark ibonakele ngaseRosario Island, eTayrona National Park, eGuajira naseSan Andres Archipelago.
EBrazil, i-Caribbean reef shark isatshalaliswa emanzini ezifundazwe i-Amapa, Maranhao, Ceara, Rio Grande do Norte, Bahia, Espiritu Santo, Parana naseSanta Catarina, kanye neziqhingi zasolwandle i-Atol das Rocas, iFernando de Noronha neTrinidad ... Lezi zinhlobo zikashaka zivikelwe e-Atol das Rocas Biological Reserve, eFernando de Noronha nase-Abrollos National Marine Parks naseManuel Luis Marine State Park.
Izindawo zokuhlala zikashaka weReef Caribbean
I-Caribbean reef shark iyinhlobo kashaka ejwayelekile kunazo zonke eduzane nemifula yamakhorali eCaribbean, evame ukutholakala eduze kwamawa emaphethelweni emifula. Luhlobo lwe-benthic olusogwini olushisayo oluhlala ezindaweni zethala. Inamathela ekujuleni okungenani kwamamitha angama-30 eduze nesiqhingi saseSan Andres, emanzini aseColombia ibonwa ekujuleni kwe-45 kuye ku-225 m.
I-Caribbean reef shark ithanda izindawo ezijulile zamachibi futhi ayiveli kakhulu kumachibi angajulile. Kunomehluko endaweni yokuhlala oshaka abancane, abesilisa nabesifazane, yize imizila yabo ivamise ukugqagqana. Yize abantu abadala bengatholakali ngokutholakala emachwebeni angajulile, izingane zitholakala ikakhulu emachibini.
Ushaka wokuzala wamakhorali we-caribbean
I-reef Caribbean shark izala kusukela ngoMeyi kuya kuJulayi. Lolu uhlobo lwezinhlanzi ezi-viviparous. Insikazi izala izingane isikhathi esingangonyaka. Ubukhulu bamawundlu lapho ezalwa bungamasentimitha angama-60 kuye kwangama-75. Baqala ukuzala ngobude bomzimba obungu-150 - 170 m.
Ukudla Kwe-Reef Caribbean Shark
Oshaka be-Reef Caribbean badla izinhlobo eziningi zezinhlanzi zasolwandle kanye noshaka abathile. Baphinde bazingele izinhlanzi ezinamathambo: amaqoqo, ama-haruppa nama-stingray: izinkozi ezinamabala, ama-stingray anemisila emifushane. Badla ama-cephalopods.
Ukuziphatha kwe-reef caribbean shark
Oshaka beReef Caribbean bahamba emanzini, ngokuvundlile nangokuqondile. Basebenzisa i-acoustic telemetry yokuqondisa. Ukuba khona kwalaba shaka kunqunywa ekujuleni kwamamitha ayi-400, bahamba amabanga angamakhilomitha angama-30 - 50. Ebusuku, zibhukuda cishe nge-3.3 km.
Okushiwo ushaka we-reef caribbean
Oshaka be-Reef Caribbean bangaphansi kokudoba. Kudliwa inyama yabo, isibindi, uwoyela wezinhlanzi ocebile, nesikhumba esiqinile kuyaziswa. Endaweni yeziqhingi yaseSan Andres, ukudotshwa koshaka abaphansi abaphansi kwenzelwa amaphiko, imihlathi (ngezinhloso zokuhlobisa) nesibindi, kuyilapho inyama kungavamile ukusetshenziselwa ukudla.
Isibindi sithengisa ngo- $ 40-50, iphawundi yamaphiko ibiza u- $ 45-55.
E-Belize, amaphiko omisiwe athengiselwa abathengi base-Asia ngama- $ 37.50. Inyama kashaka namaphiko kuyathengiswa eBelize, Mexico, Guatemala naseHonduras.
Izinsongo ezinombolweni zikashaka wezixhobo zasolwandle zasemanzini
Oshaka beReef Caribbean yizinhlobo eziyinhloko ezihlushwa ukudoba oshaka ngokungemthetho kulo lonke elaseCaribbean, kufaka phakathi iBelize, iBahamas neCuba. Iningi lezinhlanzi zibanjwa njengezinhlanzi ezingadotshwa ngenhloso ezindaweni zokudoba ezinde nezikhukhulekayo. Kwezinye izifunda (izingxenye zeBrazil neCaribbean), ukudoba kunomthelela omkhulu ekwehleni kwenani loshaka baseCaribbean.
EBelize, oshaka bamakhorali babanjwa ngezingwegwe nangamanetha, ikakhulukazi lapho bedoba ama-sea bass. Amaphiko omisiwe (37.5 ngephawundi) nenyama kuyigugu futhi kuthengiswa kabusha e-US. Ngasekuqaleni kweminyaka yama-1990, kwaba nokwehla okukhulu kokubanjwa kwazo zonke izinhlobo zoshaka, kufaka phakathi oshaka bamadwala, okwenza abadobi abaningi bashiye lo mkhakha wokudoba.
Ngaphandle kokwehla kokubanjwa, oshaka bamadwala asolwandle babalelwa kuma-82% wabo bonke oshaka ababanjwa (1994-2003).
EColombia, edobheni elingaphansi eline-longline esiqhingini saseSan Andres, oshaka bamadwala omfula yizinhlobo zoshaka ezijwayeleke kakhulu futhi zibala u-39% wokubanjwayo, nabantu ngabanye ubude obungu-90-180 cm.
Ukubhujiswa kwemvelo yamakhorali asezindaweni zamakhorali eCaribbean nakho kusongela indawo yokuhlala oshaka bamakhorali aseCaribbean. Amakhorali abhujiswa ukungcoliswa kwamanzi olwandle, izifo nokucindezela kwemishini. Ukwehla kwekhwalithi yendawo yokuhlala kuthinta inani loshaka baseCaribbean.
Isimo sokongiwa kukashaka wezixhobo zasolwandle zasolwandle
Ukuhweba oshaka baseCaribbean reef shark, yize kunemingcele ekhona, ibhizinisi elinenzuzo enkulu. Lezi zinhlobo zikashaka azibalwa. Ngenkathi oshaka bamakhorali aseCaribbean bevikelwe ezindaweni eziningi zasolwandle ezivikelekile eBrazil, imizamo eminingi yokuqinisa umthetho iyadingeka ukulwa nokudoba ngokungemthetho ezindaweni ezivikelekile. Kunconywa futhi ukuthi kusungulwe izindawo ezengeziwe ezivikelwe (ngaphandle kwamalungelo okudoba) ogwini olusenyakatho nakwezinye izingxenye zebanga ukuvikela oshaka. Ukudoba oshaka bamadwala aseCaribbean akuvunyelwe eCuba eJardines de la Reina Marine Reserve, ngakho-ke kukhona ukwanda kwesibalo soshaka bamakhorali. Yize kunemingcele eyamukelwe ekubambeni oshaka bamadwala eziqiwini zasolwandle, ukudoba okungekho emthethweni kuyaqhubeka. Iningi loshaka libanjwa njenge-by-catch futhi ama-anglers kufanele adedele izinhlanzi ezibanjiwe olwandle. Oshaka bamakhorali aseCaribbean bakuLuhlu Olubomvu lwe-IUCN Lwezinhlobo Ezisengozini.
