Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Multi-species Conserved Sequences02:51

Multi-species Conserved Sequences

4.6K
Next-generation sequencing technologies have created large genomic databases of a variety of animals and plants. Ever since the human genome project was completed, scientists studied the genome of primates, mammals, and other phylogenetically distant living beings. Such large-scale  studies have provided new insights into the evolutionary relationship between organisms.
Although the genome of each species varies greatly from each other, a few sequences are highly conserved. Such conserved...
4.6K
What is Conservation Biology?01:57

What is Conservation Biology?

24.0K
Conservation biology is a scientific field that focuses on the preservation of biodiversity in order to protect ecosystems while meeting the needs of the human population. Humans require properly functioning ecosystems to maintain our supply of natural resources, including food, medicines, and building materials.
24.0K
Conservation of Small Populations02:04

Conservation of Small Populations

16.6K
Small population sizes put a species at extreme risk of extinction due to a lack of variation, and a consequent decrease in adaptability. This weakens the chances of survival under pressures such as climate change, competition from other species, or new diseases. Large populations are more likely to survive pressures such as these, as such populations are more likely to harbor individuals that have genetic variants that are adaptive under new stresses. Small populations are much less...
16.6K
Conservation of Declining Populations02:07

Conservation of Declining Populations

12.5K
Conservation of declining population focuses on ways of detecting, diagnosing, and halting a population decline. The approach uses methods to prevent populations from going extinct.
12.5K
Sustainable Development01:43

Sustainable Development

14.7K
As the human population continues to grow and use resources, we must be mindful of our planet’s natural limits. Sustainable development provides a pathway to maintain and improve human life now while also ensuring that future generations will have the resources that they need. The long-term success of sustainability efforts rests on understanding the interplay between human actions and ecological systems.
14.7K
Osmoregulation in Fishes02:32

Osmoregulation in Fishes

52.7K
When cells are placed in a hypotonic (low-salt) fluid, they can swell and burst. Meanwhile, cells in a hypertonic solution—with a higher salt concentration—can shrivel and die. How do fish cells avoid these gruesome fates in hypotonic freshwater or hypertonic seawater environments?
52.7K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

First documentation of gravid Alopias vulpinus (Bonnaterre, 1788) in the southeastern Pacific: Evidence for a potential maternal corridor.

Journal of fish biology·2025
Same author

An invisible trade in imperiled guitarfishes.

Conservation biology : the journal of the Society for Conservation Biology·2025
Same author

A novel ddPCR™ assay for eDNA detection and quantification of Greater Amberjack <i>Seriola dumerilli</i> and three congeners in US waters: challenges and application to fisheries independent surveys.

PeerJ·2025
Same author

Meristic co-evolution and genomic co-localization of lateral line scales and vertebrae in Central American cichlid fishes.

Ecology and evolution·2024
Same author

Morphological description of spontaneous pelvic fin loss in a neotropical cichlid fish.

Journal of morphology·2023
Same author

Echinorhinus brucus (Bonnaterre, 1788) in the Caribbean Sea: A recurrent visitor, or are the artisanal fisheries exploiting deeper waters?

Journal of fish biology·2023

Related Experiment Video

Updated: Jan 16, 2026

A Standardized Procedure for Monitoring Harmful Algal Blooms in Chile by Metabarcoding Analysis
09:47

A Standardized Procedure for Monitoring Harmful Algal Blooms in Chile by Metabarcoding Analysis

Published on: August 26, 2021

6.0K

Peruvian Chondrichthyes biodiversity, marketing and conservation: a synthesis of current knowledge.

Sarita Campos-León1,2, Sebastián Hernández-Muñoz3,4, Bryan L Huerta-Beltrán5

  • 1Laboratorio Costero de Camaná, Instituto del Mar del Perú, Arequipa, Peru.

Journal of Fish Biology
|September 29, 2025
PubMed
Summary

Peru

Keywords:
PeruSouth AmericaSoutheastern Pacificchimaerasrayssharks

More Related Videos

Necropsy-based Wild Fish Health Assessment
07:57

Necropsy-based Wild Fish Health Assessment

Published on: September 11, 2018

18.0K
Development of New Methods for Quantifying Fish Density Using Underwater Stereo-video Tools
09:32

Development of New Methods for Quantifying Fish Density Using Underwater Stereo-video Tools

Published on: November 20, 2017

9.7K

Related Experiment Videos

Last Updated: Jan 16, 2026

A Standardized Procedure for Monitoring Harmful Algal Blooms in Chile by Metabarcoding Analysis
09:47

A Standardized Procedure for Monitoring Harmful Algal Blooms in Chile by Metabarcoding Analysis

Published on: August 26, 2021

6.0K
Necropsy-based Wild Fish Health Assessment
07:57

Necropsy-based Wild Fish Health Assessment

Published on: September 11, 2018

18.0K
Development of New Methods for Quantifying Fish Density Using Underwater Stereo-video Tools
09:32

Development of New Methods for Quantifying Fish Density Using Underwater Stereo-video Tools

Published on: November 20, 2017

9.7K

Area of Science:

  • Marine Biology
  • Ichthyology
  • Conservation Science

Background:

  • Peru's unique oceanography supports diverse chondrichthyan fauna.
  • Previous checklists of Peruvian chondrichthyans require taxonomic and conservation updates.

Purpose of the Study:

  • To provide a systematic and updated checklist of chimaeras, sharks, and rays in Peruvian waters.
  • To assess the conservation status and commercial exploitation of these species.

Main Methods:

  • Systematic compilation of existing records.
  • Taxonomic validation and exclusion of unreliable data.
  • Assessment of commercial exploitation and CITES listings.

Main Results:

  • 110 chondrichthyan species confirmed: 7 chimaeras, 56 sharks, 47 rays.
  • Species categorized into 67 genera, 40 families, and 13 orders.
  • Identified species under national regulations and CITES.

Conclusions:

  • This study offers a comprehensive update on Peruvian chondrichthyan biodiversity.
  • Highlights the need for ongoing monitoring, taxonomic validation, and conservation strategies for sustainable management.