In t​he BIOMOL laboratory we are committed to secure a future for animals on this planet we all share. Our research areas include Conservation Genetics, Species Identification, Epidemiology of Wildlife Species and Interdisciplinary Conservation Projects.





Report of novel parasitism and hyperparasitism in benthonic batoids of the Costa Rican North Pacific…

Report of novel parasitism and hype…

This project focuses on the taxonomic identification by anatomical characterization and genetic analysis of epibionts found in rays of the Pacific coast of…

Macroscopical Eye Alterations in Round Rays (Urobatis pardalis and Urotrygon chilensis) on the Costa…

Macroscopical Eye Alterations in Ro…

This study focuses on internal eye hemorrhage, eye degeneration and absence of eyes on resident species of rays in the Northern Pacific coast of Costa Rica.

Morphological and genetic identification of shark species in tissues of dried fins and training for …

Morphological and genetic identific…

This project is focused on determining the species composition of the shark fins involved in confiscation of illegal fins from different countries in Latin…

Genetic structure of the hammerhead shark (Sphyrna lewini) in nursery areas of the Eastern Tropical …

Genetic structure of the hammerhead…

This project has the objective of studying the genetic connectivity and population structure of the nursery areas of hammerhead sharks in the Eastern Tropi…

Molecular genetics tools to identify species of billfish in fish markets of Costa Rica

Molecular genetics tools to identif…

This project has the objective of creating specie-specific primers that can distinguish between the species of billfish, in order to have a tool to better …

​Diversity and genetic connectivity of teleost associated with sport fishing and artisanal fisheries…

​Diversity and genetic connectivity…

The aim of this project is to determine patterns of genetic connectivity of populations of commercial species along the Pacific coast of Costa Rica using m…



Accounting for kin sampling reveals genetic connectivity in Tasmanian and New Zealand school sharks, Galeorhinus galeus.Download

A multidisciplinary approach to identify pelagic shark fins by molecular, morphometric and digital correlation data.Download


Community structure and trophic ecology of megabenthic fauna from the deep basins in the Interior Sea of Chiloé, Chile (41°-43° S)Download

Characterization of the pelagic shark-fin trade in north-central Chile by genetic identification and trader surveys.Download


Demographic history and the South Pacific dispersal barrier for school shark (Galeorhinus galeus) inferred by mitochondrial DNA and microsatellite DNA mark.Download


Evidence for multiple paternity in the school shark Galeorhinus galeus found in New Zealand waters.Download

Egg capsules of the dusky catshark Bythaelurus canescens (Carcharhiniformes, Scyliorhinidae) from the south-eastern Pacific Ocean.Download

Egg capsules of the raspthorn sandskate, Psammobatis scobina (Philippi, 1857) (Rajiformes, Rajidae).Download

Embionary development of the Redspotted Catshark Schroederichthys Chilensis (Guichenot, 1848) (Chondrichthyes: Scyliorhinidae).).Download


First evidence of a palaeo-nursery area of the great white sharkDownload

First observations on captive hatching and incubation period of the yellow-nose skate Dipturus chilensis (Rajiformes: Rajidae), from the South-Eastern Pacific Ocean.Download

First Records of Striped Boarfish Evistias acutirostris and Ornate Butterflyfish Chaetodon ornatissimus from Easter Island.Download


Isolation and characterization of 16 novel microsatellite loci in the roosterfish Nematistius pectoralis Gill, 1862 by Illumina sequencing.Download

Identifying Shark Fins: Implementing and Enforcing CITES.Download

Is it posible to breed sharks in captivity? The case of the Dogfish, Schroederichthys Chilensis (Chondrichthyes, Scyliorhinidae).Download


Late neogene elasmobranch fauna from the Coquimbo formation, Chile.Download


Molecular diversity and distribution of eastern Atlantic and Mediterranean dogfishes Squalus highlight taxonomic issues in the genus.Download

Morphological identification of find of the main traded pelagic shark species in Chile: Blue Shark (Prionace glauca Linnaeus), Shortfin Mako (Isurus oxyrhinchus Rafinesque), and Porbeagle (Lamna nasus Bonnaterre).Download


New insights on the trophic ecology of blue (Prionace glauca) and shortfin mako sharks (Isurus oxyrinchus) from the oceanic eastern South Pacific.Download


Population genetic divergence as consequence of past range expansion of the smooth hammerhead shark Sphyrna zygaena.Download

Population genetics of Southern Hemisphere tope shark (Galeorhinus galeus): Intercontinental divergence and constrained gene flow at different geographical scales.Download


Review of the occurrence and distribution of the basking shark (Cetorhinus maximus) in Chilean waters.Download


Shark fin identification guide in Peru (article in Spanish).Download

Shark fin identification guide in Guatemala (article in Spanish).Download

Seasonal variation in fish bycatch associated with an artisanal flounder fishery on Coquimbo Bay, Chile.Download


The neogene fossil record of Aetomylaeus (Elasmobranchii, Myliobatidae) from the southeast pacific.Download


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