Dolphin Biology People: Mariana

Mariana Ferreira Da Silveira is from Salvador, Brazil. She holds a B.A. in Marine Biology at Texas A&M University. In June 2013, Mariana participated in the 1st Marine Biology Field Course in Galaxidi, Greece. Soon afterwards, she was involved in the management of the 1990–2013 bottlenose dolphin photo-identification catalogue stored at Bernd Würsig's Laboratory in Galveston, TX. In 2014 Mariana joined the OceanCare / Dolphin Biology & Conservation team for three months to work as a research assistant. She is a Member of Tri Beta National Biological Honor Society and she received three Academic Scholarships from TAMUG.

(Photo by C. Goultidis, Galaxidi, Greece)

Striped energy

A striped dolphin surfaces on a slightly wavy sea.

(Photo by S. Bonizzoni, Gulf of Corinth, Greece)

Baby turtle

A baby Hermann's tortoise Testudo hermanni encountered while walking the ancient Delphi-Kirra path.

(Photo by S. Piwetz)

On a car trip

Silvia, Mariana and Nina being silly on a car trip.

(Photos by S. Piwetz)

Selfies on board

Sometimes selfies happen (clockwise: Mariana, Silvia, Sarah, Nina).

Young striped dolphin

(Photo by S. Bonizzoni, Gulf of Corinth, Greece)

2nd Marine Biology Field Course

Texas A&M University students attending the 2nd Marine Biology Field Course record striped dolphin data in the Gulf of Corinth, Greece.

(Photo by S. Bonizzoni)

Three researchers

Sarah Piwetz, Silvia Bonizzoni and Eeyore performing data analysis at the Galaxidi Study Center.

(Photo by N. Santostasi, Galaxidi, Greece)

At Hotel Ganimede

Silvia, Chrisoula, Giovanni and Evi in the courtyard of Hotel Ganimede, Galaxidi.

(Photo by B. Würsig)

Striped dolphin, male

(Photo by S. Bonizzoni, Gulf of Corinth, Greece)

Bottlenose dolphins and monastery

Bottlenose dolphins surface near the uninhabited monastery of Agios Nikolaos, in the Bay of Itea.

(Photo by S. Bonizzoni, Gulf of Corinth, Greece)

Nina and Silvia

DBC researchers Nina Luisa Santostasi and Silvia Bonizzoni at Hosios Loukas, Greece.

(Photo by G. Bearzi)

Striped or common?

An individual with intermediate striped dolphin / short-beaked common dolphin pigmentation and morphology surfaces in the Gulf of Corinth.

(Photo by S. Bonizzoni)

Striped duo

(Photo by S. Bonizzoni, Gulf of Corinth, Greece)

Research assistants

Our lovely research assistants: Mariana Ferreira Da Silveira (left) and Nina Luisa Santostasi (right).

(Photo by S. Piwetz, Galaxidi, Greece)

Dead sea turtle adrift

Yesterday, while tracking the movements of a group of bottlenose dolphins from the boat and (through a theodolite) from land, we found a dead sea turtle Caretta caretta floating adrift. There was no sign showing the possible cause of mortality.

(Photos by N. Santostasi, Gulf of Corinth, Greece)

Aggressive male bottlenose dolphins

Male bottlenose dolphins engaging in aggressive behaviour. Blood streams are visible in some of these photos.

(Photo by S. Bonizzoni, Gulf of Corinth, Greece)

Male fight

Male bottlenose dolphins chasing each other and biting hard.

(Photos by S. Bonizzoni, Gulf of Corinth, Greece)

Theodolite tracking in Galaxidi

Sarah Piwetz teaching a theodolite tracking field class to Texas A&M University students, from a station above the Galaxidi Marine Farm.

(Photos by G. Bearzi and M. Ferreira Da Silveira, Galaxidi, Greece)

Road crossing

Yesterday, while driving in the area of Galaxidi, we found three large turtles crossing the road!

(Photo by G. Bearzi)

A great team

(Photos by G. Bearzi and B. Würsig)

Gio + Sheepie

Giovanni Bearzi with Sheepie at the Galaxidi Study Center.

(Photo by B. Würsig, Galaxidi, Greece)

Striped dolphin

(Photo by S. Bonizzoni, Gulf of Corinth, Greece)

Bernd and Mel in Galaxidi

Our friends Bernd and Melany Würsig at the Galaxidi Study Center, waiting for a new Marine Biology Field Course to begin.

(Photo by G. Bearzi)

Blog silence

Two reasons why we haven't been posting to our blog and Facebook pages.

We will be back soon!