Are there similarities between the Costa Rican ghost shark and South American specimens?

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Similarities Exist Between Costa Rican and South American Ghost Shark Specimens

Costa Rican scientists are investigating potential similarities between a newly identified ghost shark species and specimens previously collected near Peru and Chile. While detailed comparisons are ongoing, initial observations suggest a notable resemblance between the Costa Rican find and these South American samples. This potential link could indicate a wider distribution for this type of ghost shark along the Pacific coast of Central and South America.
Ongoing Specimen Comparison

Researchers are currently engaged in a comprehensive comparison of the ghost shark specimens found near Costa Rica with those gathered from waters off Peru and Chile. This detailed analysis is crucial for scientists to finalize their conclusions regarding the relationship between these populations. The outcome of this comparison will determine whether the South American specimens represent the same species as the one identified in Costa Rica.
Potential Wider Distribution

The newly discovered ghost shark species in Costa Rica, provisionally named Rhinochimaera costaricana, exhibits characteristics that warrant further investigation into its geographical range. If the specimens from Peru and Chile are indeed found to be similar, it would strongly suggest that this species is not confined to Central American waters. Scientists believe it is "most likely" that this new species has a broader distribution along the Pacific coast of both Central and South America.
Distinct Characteristics of the Costa Rican Find

Arturo Angulo Sibaja, a biology professor at the University of Costa Rica, has noted specific traits of the ghost shark found in Pacific waters near Cabo Blanco and Cano Island. These distinguishing features include a shorter snout, a darker coloration pattern, and a significantly longer spine on its dorsal fin compared to other known ghost shark species. These unique attributes are key to identifying and differentiating the Costa Rican ghost shark.

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Are there similarities between the Costa Rican ghost shark and South American specimens?

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