SelectedWorks - Heather L. Judkins

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Selected Works of Heather L. Judkins

Associate Professor

Dr. Heather Judkins is an associate professor in the Department of Biology at the University of South Florida St. Petersburg. She received a Bachelors degree in Marine Affairs from the University of Rhode Island, Masters degree in Science Education from Nova Southeastern University and her PhD in Biological Oceanography from the University of South Florida. Her research focuses on understanding the evolution, ecology, and biogeography of cephalopods with a main focus currently in the Wider Caribbean.

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About Heather L. Judkins

Dr. Heather Judkins is an associate professor in the Department of Biology at the University of South Florida St. Petersburg. She received a Bachelors degree in Marine Affairs from the University of Rhode Island, Masters degree in Science Education from Nova Southeastern University and her PhD in Biological Oceanography from the University of South Florida. Her research focuses on understanding the evolution, ecology, and biogeography of cephalopods with a main focus currently in the Wider Caribbean.

Peer Reviewed Articles (14)

Population genomics of three deep-sea cephalopod species reveals connectivity between the Gulf of Mexico and northwestern Atlantic Ocean (L. E. Timm, H. D. Bracken-Grissom, A. Sosnowski, et al.) USF St. Petersburg campus Faculty Publications (2020)

Despite the ecological importance of deep-sea cephalopods, little is known about their genetic diversity or population dynamics. The cephalopod species Cranchia scabra, Pyroteuthis margaritifera, and Vampyroteuthis infernalis are commonly collected in midwater samples from both ...

Temporal Variability of Polycyclic Aromatic Hydrocarbons in Deep-Sea Cephalopods of the Northern Gulf of Mexico (Isabel C. Romero, Heather L. Judkins and Michael Vecchione) USF St. Petersburg campus Faculty Publications (2020)

As part of the effort to understand the effects of the Deepwater Horizon Oil Spill (DWHOS), we analyzed tissue from five species of midwater oceanic cephalopods in the northern Gulf of Mexico (GoM) during three ...

The first global deep-sea stable isotope assessment reveals the unique trophic ecology of Vampire Squid Vampyroteuthis infernalis (Cephalopoda) (A. V. Golikov, F. R. Ceia, R. M. Sabirov, et al.) USF St. Petersburg campus Faculty Publications (2020)

Vampyroteuthis infernalis Chun, 1903, is a widely distributed deepwater cephalopod with unique morphology and phylogenetic position. We assessed its habitat and trophic ecology on a global scale via stable isotope analyses of a unique collection ...

Global patterns of species richness in coastal cephalapods (Rui Rosa, Vasco Pissara, Francisco O. Borges, et al.) USF St. Petersburg campus Faculty Publications (2019)

Within the context of global climate change and overfishing of fish stocks, there is some evidence that cephalopod populations are benefiting from this changing setting. These invertebrates show enhanced phenotypic flexibility and are found from ...

Stable isotopes in the eye lenses of Doryteuthis plei (Blainville 1823): Exploring natal origins and migratory patterns in the eastern Gulf of Mexico (Brenna Meath, Ernst B. Peebles, Brad A. Seibel, et al.) USF St. Petersburg campus Faculty Publications (2019)

Eye lenses of Doryteuthis plei (Blainville 1823), the slender inshore squid or arrow squid, were used to re-create lifetime δ13C and δ15N histories for 42 individuals (21 males, 21 females) collected by trawl from the ...

The first global deep-sea stable isotope assessment reveals the unique trophic ecology of Vampire Squid Vampyroteuthis infernalis (Cephalopoda) (Alexey Golikov, Filipe R. Ceia, Rushan M. Sabirov, et al.) USF St. Petersburg campus Faculty Publications (2019)

Vampyroteuthis infernalis Chun, 1903, is a widely distributed deepwater cephalopod with unique morphology and phylogenetic position. We assessed its habitat and trophic ecology on a global scale via stable isotope analyses of a unique collection ...

Trophic ecology of the deep-sea cephalopod assemblage near Bear Seamount in the Northwest Atlantic Ocean (Michelle D. Staudinger, Valerie H. Dimkovikj, Christine A.M. France, et al.) USF St. Petersburg campus Faculty Publications (2019)

Cephalopods compose a vital component of marine food webs worldwide, yet their trophic roles remain largely unresolved. This study used stable carbon and nitrogen isotopes to describe the trophic structure, ontogeny, and isotopic niche overlap ...

Cephalopod biodiversity in the vicinity of Bear Seamount, western North Atlantic based on exploratory trawling form 2000 to 2014. (Elizabeth K. Shea, Heather L. Judkins, Michelle D. Staudinger, et al.) USF St. Petersburg campus Faculty Publications (2017)

Bear Seamount (BSM) is the most inshore seamount in the New England Seamount chain. It is located within the U.S. Exclusive Economic Zone and is contained within the recently established Northeast Canyons and Seamounts Marine ...

Diversity of midwater cephalopods in the northern Gulf of Mexico: Comparison of two collecting methods. (Heather L. Judkins, Michael Vecchione, April B. Cook, et al.) USF St. Petersburg campus Faculty Publications (2017)

The Deepwater Horizon Oil Spill (DWHOS) necessitated a whole-water-column approach for assessment that included the epipelagic (0–200 m), mesopelagic (200–1000 m), and bathypelagic (>1000 m) biomes. The latter two biomes collectively form the largest integrated ...

Morphological and molecular evidence of heteroteuthis dagamensis in the Gulf of Mexico (Heather L. Judkins, M. Vecchione and K. Rosario) USF St. Petersburg campus Faculty Publications (2016)

Published records indicate that Heteroteuthis dispar (Ruppell, 1844) is found in the North Atlantic Ocean and that Heteroteuthis dagamensis Robson, 1924 inhabits the South Atlantic Ocean. However, specimens recently collected in the northern Gulf of ...

A compilation of recent records of the giant squid, Architeuthis dux (Steenstrup, 1857) (Cephalopoda) from the Western North Atlantic Ocean, Newfoundland to the Gulf of Mexico. (Clyde F.E. Roper, Heather L. Judkins, Nancy A. Voss, et al.) USF St. Petersburg campus Faculty Publications (2015)

This report provides information on 28 specimens of the giant squid, Architeuthis dux (Steenstrup 1857), discovered in the western North Atlantic Ocean between Newfoundland and the Gulf of Mexico. Some specimens have been reported in ...

Cephalopods in the potential prey field of sperm whales (Physeter macrocephalus) in the northern Gulf of Mexico. (Heather L. Judkins, Scarlet Arbuckle, Michael Vecchione, et al.) USF St. Petersburg campus Faculty Publications (2013)

Cephalopods of the northern Gulf of Mexico are widely distributed and provide an important food source for a variety of marine animals. Sperm whales are year-round residents in the northern Gulf of Mexico. Prey availability ...

Cephalopod species richness in the wider Caribbean region. (Heather L. Judkins, Michael Vecchione, Jose Torres, et al.) USF St. Petersburg campus Faculty Publications (2010)

The cephalopods of the wider Caribbean region (western central Atlantic) were examined in terms of distribution and ecological importance. In all, 4190 preserved cephalopod specimens were identified and catalogued to produce regional maps of cephalopod ...

First records of Asperoteuthis acanthoderma (Lu, 1977) (Cephalopoda: Oegopsidae: Chiroteuthidae), from the North Atlantic Ocean, Straits of Florida. (Heather L. Judkins, Debi Ingrao and Clyde F.E. Roper) USF St. Petersburg campus Faculty Publications (2009)

The first observation in the North Atlantic Ocean of the deep sea squid Asperoteuthis acanthoderma (family Chiroteuthidae) is reported here from off the coast of Key West, Florida in the Straits of Florida. We describe ...

Inventory of Gulf oceanic fauna data including species, weight, and measurements, Pisces cruises from Dec. 1 2010 - Sept. 29, 2011 in the northern Gulf of Mexico (Tracey Sutton, April Cook, Jon Moore, et al.) Gulf of Mexico Research Initiative Information and Data Cooperative (GRIIDC) (2017)

This data set includes the biological and environmental data for all of the species collected during the Pisces cruises from Dec. 2010 - September 2011. The main gear type used was a Polytron rope trawl. ...

As Gulf oil extraction goes deeper, who is at risk? Community structure, distribution, and connectivity of the deep-pelagic fauna (Tracey T. Sutton, Tamara Frank, Heather L. Judkins, et al.) USF St. Petersburg campus Faculty Publications (2019)

The habitat and biota most affected by ultra-deep oil spills in the Gulf of Mexico (GoM) will necessarily be in the deep-pelagic domain. This domain represents ~91% of the GoM’s volume and almost certainly contains ...

The study of deep-sea cephalopods. (Henk-Jan T. Hoving, Jose A.A. Perez, Kathrin S. Bolstad, et al.) USF St. Petersburg campus Faculty Publications (2014)

"Deep-sea" cephalopods are here defined as cephalopods that spend a significant part of their life cycles outside the euphotic zone. In this chapter, the state of knowledge in several aspects of deep-sea cephalopod research are ...

Doryteuthis plei (Blainville, 1823), slender inshore squid. (Heather L. Judkins and Michael Vecchione) USF St. Petersburg campus Faculty Publications (2013)

The loliginid squid species Doryteuthis plei is widely distributed in warm, tropical and subtropical waters from 36°N to 35° S in the western Atlantic Ocean, Caribbean Sea, and the Gulf of Mexico. This muscular species ...

Cephalopods (Mollusca) of the Gulf of Mexico. (Heather L. Judkins, Michael Vecchione and Clyde F.E. Roper) USF St. Petersburg campus Faculty Publications (2009)

Inviting Learners to the DEEPEND: A Team Approach to Successful Outreach and Education (R. Musgrave, Heather Judkins, April Cook, et al.) Marine & Environmental Sciences Faculty Proceedings, Presentations, Speeches, Lectures (2020)

The DEEPEND Consortium has taken a three-pronged approach to outreach during its 5-year tenure: 1) informal and formal science education (e.g., curriculum development, ‘virtual’ expeditions, educator training); 2) public outreach (e.g., aquarium, zoo, and natural ...

Adding a New Audience to Deep-Sea Research: Making a Splash with Elementary School Children (Ruth A. Musgrave, Tamara Frank, Heather Judkins, et al.) Marine & Environmental Sciences Faculty Proceedings, Presentations, Speeches, Lectures (2018)

WhaleTimes, Inc. partnered with grant-funded (GoMRI (DEEPEND Consortium) and NSF) scientists to bring two different deep-sea research projects to life in classrooms and summer camps. These educational partnerships focused on creating and providing education programs ...

Deep-Pelagic Research in the Gulf of Mexico: The DEEPEND Consortium (Tracey Sutton, April Cook, Kevin M. Boswell, et al.) Marine & Environmental Sciences Faculty Proceedings, Presentations, Speeches, Lectures (2017)

The Deepwater Horizon oil spill (DWHOS) was unique not only for its volume, but also for its depth of influence (0-1500 m). Variable amounts of hydrocarbons reached the ocean surface and/or seafloor, whereas 100% went ...

Vertical Migration Patterns of Cephalopods in the Northern Gulf of Mexico (Heather Judkins, Michael Vecchione, April Cook, et al.) Marine & Environmental Sciences Faculty Proceedings, Presentations, Speeches, Lectures (2017)

Cephalopods are important in midwater ecosystems of the Gulf of Mexico (GOM) as both predator and prey. Vertical distribution and diel migration patterns are not known for the majority of deep-water cephalopods. These varying patterns ...

DEEPEND: Diving into Education at All Depths (Heather Judkins, Tamara Frank, R. Musgrave, et al.) Marine & Environmental Sciences Faculty Proceedings, Presentations, Speeches, Lectures (2017)

Effective education and outreach capacity is essential for science communication to students, resource managers, stakeholders, and the public at large. The DEEPEND Consortium has developed a multisectoral education/outreach program to affect this communication. The Consortium ...

DEEPEND: Preliminary Results of Cephalopod Vertical Migration Patterns in the Northern Gulf of Mexico (Heather Judkins, Michael Vecchione, April Cook, et al.) Marine & Environmental Sciences Faculty Proceedings, Presentations, Speeches, Lectures (2017)

Cephalopods are important in midwater ecosystems of the Gulf of Mexico (GOM) as both predator and prey. Vertical distribution and diel migration patterns are not known for the majority of deep-water cephalopods. These varying patterns ...