The columns in the dataset are:

Lab.Id The laboratory reference number used to audit samples through the lab
SSN The sub sample number (SSN)is the individual fish number for a specific sampling event
Stn name The station name is the MERMAN station disctionary name of the specific location of the sampling event
MERMAN The Marine Environment Monitoring and Assessment National database (MERMAN) region code the sampling location is in (https://www.bodc.ac.uk/projects/data_management/uk/merman/project_specific/)
CP2.Region The charting progress (CP) 2 region the sampling location is in (http://marine.gov.scot/information/charting-progress-regions)
MSFD.Sub The Marine Strategy Framework Directive (MSFD) sub-region the sampling location is in (http://marine.gov.scot/information/marine-strategy-framework-directive-m...)
Sampling Date The sampling date in the format DD/MM/YYYY
Species The latin name of the species of fish sampled
Sex The sex of fish sampled where F = female; M = male; 0 = not known
Length The length of the fish sampled recorded in cm
WgtTot The weight of the whole fish recorded in grams to the nearest whole number
Acanth Presence (1) or absence (0) of Ancanthochondria
Acanth1 Presence (1) or absence (0) of Ancanthochondria severity 1
Acanth2 Presence (1) or absence (0) of Ancanthochondria severity 2
Acanth3 Presence (1) or absence (0) of Ancanthochondria severity 3
EpPap Presence (1) or absence (0) of Epidermal hyperplasia/papilloma
EpPap1 Presence (1) or absence (0) of Epidermal hyperplasia/papilloma severity rating 1: at least one but less than four lesions between 2 mm and 10 mm in diameter
EpPap2 Presence (1) or absence (0) of Epidermal hyperplasia/papilloma severity rating 2: more than four lesions between 2 mm and 10 mm in diameter
EpPap3 Presence (1) or absence (0) of Epidermal hyperplasia/papilloma severity rating 3: more than four lesions over 1 cm in diameter
FinRot Presence (1) or absence (0) of fin rot
Lepe Presence (1) or absence (0) of Lepeophtheirus
Lepe1 Presence (1) or absence (0) of Lepeophtheirus severity 1
Lepe2 Presence (1) or absence (0) of Lepeophtheirus severity 2
Lepe3 Presence (1) or absence (0) of Lepeophtheirus severity 3
Ly Presence (1) or absence (0) of Lymphocystis
Ly1 Presence (1) or absence (0) of Lymphocystis severity 1: two to ten nodules including clusters of single nodules not exceeding a total of 10 mm in diameter
Ly2 Presence (1) or absence (0) of Lymphocystis severity 2: nodules/clusters of nodules covering a surface of up to twice the area spread-out caudal fin
Ly3 Presence (1) or absence (0) of Lymphocystis severity 3: nodules/clusters of nodules covering a surface of more than twice the spread-out caudal fin.
Mel Presence (1) or absence (0) of Hyperpigmentation
Mel1 Presence (1) or absence (0) of Hyperpigmentation severity 1: less than or equal to 10% of skin surface covered
Mel2 Presence (1) or absence (0) of Hyperpigmentation severity 2: pigment covering a surface of up to twice the area spread-out caudal fin
Mel3 Presence (1) or absence (0) of Hyperpigmentation severity 3: pigment covering a surface of more than twice the area spread-out caudal fin
Ulc Presence (1) or absence (0) of Skin Ulcers
Ulc1 Presence (1) or absence (0) of Skin Ulcers severity 1: acute
Ulc2 Presence (1) or absence (0) of Skin Ulcers severity 2: healing
Ulc3 Presence (1) or absence (0) of Skin Ulcers severity 3: healed
Steph Presence (1) or absence (0) of Stephanostomum
Steph1 Presence (1) or absence (0) of Stephanostomum severity 1
Steph2 Presence (1) or absence (0) of Stephanostomum severity 2
Steph3 Presence (1) or absence (0) of Stephanostomum severity 3
Xcell Presence (1) or absence (0) of X Cell gill lesions