With your NEET SCORE you can only apply to the following bachelor courses. 

MBBS – Bachelor of Medicine and Bachelor of Surgery (Allopathic Medicine)

BDS – Bachelor of Dental Surgery

BAMS – Bachelor of Ayurvedic Medicine

BHMS - Bachelor of Homeopathic Medicine and Surgery

BUMS – Bachelor of Unani Medicine and Surgery

B.P.T – Bachelor of Physiotherapy

For fisheries there are different exams conducted across India. The exams are listed below --- 

• ICAR All-India Entrance Examination

• Orissa University of Agriculture and Technology Common Entrance Examination
• Dr. Balasaheb Sawant Konkan Krishi Vidyapeeth Common Admission Test
• Tamil Nadu Veterinary and Animal Sciences University Entrance Exam
• Karnataka Common Entrance Test
• Junagath Agricultural University Entrance Test
• Kerala Agricultural University Common Entrance Test
• Maharana Pratap University Graduate Test
• Central Institute of Fisheries, Nautical & Engineering Training Entrance Test.

Regarding the job opportunities 

After doing Bsc. Fisheries , you can apply for the post Instructor, Research Assistant, Biochemist, Biologist, Technicians, etc.

Also, you can apply in the fisheries department of state government for the post of Inspector of Fisheries/Research Assistants, Sub-Inspector of Fisheries, Assistant Directors, Assistant Fisheries Development Officer ( AFDO ) / Fisheries Extension Officer ( FEO ) and Fisheries Development Officer(FDO).

There are lots of opportunities for candidates with graduation in fisheries abroad, in government as well as private sector. Job opportunities are plenty in US, UK, Austria, China and Japan etc.