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Lumba-lumba guyana

Lumba-lumba guyana
Sotalia guianensis

Lumba-lumba guyana
Ukurannya dibanding rata-rata manusia
Rekaman


Status konservasi
Hampir terancam
IUCN181359
Taksonomi
KladBilateria
$0Nephrozoa
SuperfilumDeuterostomia
FilumChordata
$0Olfactores
SubfilumVertebrata
InfrafilumGnathostomata
MegaclassOsteichthyes
SuperkelasSarcopterygii
KladDipnotetrapodomorpha
KladTetrapodomorpha
SuperkelasTetrapoda
KladReptiliomorpha
KladAmniota
KladSynapsida
KladEupelycosauria
KladSphenacodontia
KladSphenacodontoidea
KladTherapsida
KladEutheriodontia
KladCynodontia
KladEpicynodontia
KladEucynodontia
KladProbainognathia
KladMammaliamorpha
KladMammaliaformes
KelasMammalia
SubkelasTheria
InfrakelasPlacentalia
KladExafroplacentalia
MagnorderBoreoeutheria
SuperordoLaurasiatheria
KladScrotifera
KladFerungulata
KladPanKladEuungulata
KladEuungulata
SuperordoParaxonia
OrdoArtiodactyla
KladArtiofabula
KladCetruminantia
KladCetancodontamorpha
UpaordoWhippomorpha
KladCetaceamorpha
InfraordoCetacea
ParvorderOdontoceti
KladDelphinida
SuperfamiliDelphinoidea
FamiliDelphinidae
SubfamiliStenoninae
GenusSotalia
SpesiesSotalia guianensis
Van Beneden, 1864
Distribusi

Sebaran dari lumba-lumba guyana(pesisir-pola solid) and tucuxi (daratan–pola garis-garis)

Lumba-lumba guyana (Sotalia guianensis), juga dikenal sebagai costero, adalah salah satu jenis lumba-lumba yang ditemukan di perairan pesisir di sebelah utara dan timur Amerika Selatan, serta di sebelah timur Amerika Tengah. Lumba-lumba ini merupakan anggota keluarga lumba-lumba oseanik (Delphinidae). Mereka dapat hidup di air asin dan air tawar.

Deskripsi

Lumba-lumba guyana (Sotalia guianensis) sering dideskripsikan memiliki bentuk yang mirip dengan lumba-lumba hidung botol. Namun, lumba-lumba ini biasanya lebih kecil, dengan panjang hanya mencapai 2,1 m (6,9 kaki). Lumba-lumba ini berwarna abu-abu terang hingga abu-abu kebiruan pada punggung dan sisinya. Bagian ventralnya berwarna abu-abu terang. Sirip punggungnya biasanya sedikit berlekuk, dengan bentuk segitiga. Paruhnya memiliki bentuk yang tegas dengan panjang sedang.

Lumba-lumba guiana sangat tidak mencolok, dan mereka biasanya tidak menumpang gelombang yang ditimbulkan kapal dan biasanya berenang menjauh dari kapal.

Para peneliti baru-baru ini menunjukkan bahwa lumba-lumba ini memiliki indera elektroreseptif, dan berspekulasi bahwa hal ini juga terjadi pada odontocetes lainnya.[3]

Referensi

  1. ^ Secchi, E., Santos, M. & Reeves, R. 2018. Sotalia guianensis (errata version published in 2019). The IUCN Red List of Threatened Species 2018: e.T181359A144232542. https://dx.doi.org/10.2305/IUCN.UK.2018-2.RLTS.T181359A144232542.en Downloaded on 1 February 2021.
  2. ^ "Appendices | CITES". cites.org. Diakses tanggal 2022-01-14. 
  3. ^ Nicole U. Czech-Damal; Alexander Liebschner; Lars Miersch; Gertrud Klauer; Frederike D. Hanke; Christopher Marshall; Guido Dehnhardt; Wolf Hanke (2011). "Electroreception in the Guiana dolphin (Sotalia guianensis)". Proc. R. Soc. B. 279 (1729): 663–8. doi:10.1098/rspb.2011.1127. PMC 3248726alt=Dapat diakses gratis. PMID 21795271. 
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