Male vs. Female Lobsters (The Truth) | Arteflame

To determine if a lobster is male or female, flip it over and examine the swimmerets (the small, feathery appendages under the tail). On a male lobster, the top pair of swimmerets is hard and bony; on a female, they are soft and feathery. Additionally, females generally have wider tails to accommodate egg storage, while males often possess larger claws.

How Do I Identify the Differences Between Male and Female Lobsters?

Identifying the gender of your lobster is critical if you are looking for specific culinary traits, such as unfertilized eggs (roe) or specific meat yield. While they look similar from above, the underside reveals the truth immediately.

The Swimmeret Test

The most reliable method is checking the swimmerets. These are the small flippers found on the underside of the tail.

• Male Lobsters: The first pair of swimmerets (closest to the body) feels hard, rigid, and bony. They are used for mating.
• Female Lobsters: The entire set of swimmerets is soft, feathery, and translucent. These are designed to hold eggs.

Tail Width Comparison

If you look at the lobsters side-by-side, you will notice structural differences. Female lobsters have a significantly wider tail than males of the same size. This biological adaptation allows them to carry roe (eggs). Males tend to have a narrower tail but often compensate with larger, heavier claws.

Which Lobster Yields Better Meat and Flavor?

The flavor profile of the white meat is virtually identical between genders. However, the yield varies based on which part of the lobster you prefer.

• Choose Male Lobsters if: You prefer claw meat. Males often have massive claws that provide large, tender chunks of meat.
• Choose Female Lobsters if: You prefer tail meat. The wider tail often makes for easier splitting and grilling, and you get the added bonus of roe (coral).

Pro Tip: When shopping for live lobsters, pick them up. A lobster that feels heavy for its size indicates a full shell with more meat, regardless of whether it is male or female. Avoid lobsters that feel light or have loose claws.

What is Lobster Roe (Coral) and Should I Eat It?

If you split a female lobster, you may see a black, gelatinous substance inside the tail. This is the roe, or unfertilized eggs. Do not discard this.

When cooked, this substance turns a vibrant bright red, earning it the name "coral." It has a rich, savory, umami flavor that delicacies are made of.

How to Use Lobster Coral

Many chefs consider coral a delicacy. You can leave it inside the lobster while grilling for added richness, or remove it to create a compound butter or creamy pasta sauce. It significantly deepens the flavor profile of your dish.

How Do I Grill Lobster on an Arteflame?

Grilling lobster enhances its natural sweetness with a subtle smokiness that boiling cannot achieve. The Arteflame’s plancha-style cooktop is ideal for this, as it prevents delicate meat from drying out or falling into the fire.

1. Prep the Lobster: Split the tails down the center using kitchen shears. Brush the meat generously with butter, garlic, and lemon.
2. Sear the Meat: Place the lobster flesh-side down on the flat steel griddle (plancha). Sear for 2-3 minutes until the meat is opaque and slightly charred.
3. Finish in the Shell: Flip the lobster onto its shell. Move it slightly further from the center fire to roast gently in its own juices until the internal temperature reaches 135°F - 140°F.

Pro Tip: Never overcook lobster. It will become rubbery and tough. Remove it from the grill immediately once the meat turns opaque white and feels firm to the touch.

Frequently Asked Questions

Is male or female lobster meat sweeter?

There is no discernible difference in sweetness between the white meat of male and female lobsters. The flavor difference comes from the presence of roe (coral) in females, which adds a rich, savory element.

What is the green stuff inside the lobster?

The green substance is the tomalley (hepatopancreas), which functions as the lobster's liver and pancreas. It is edible and considered a delicacy by many for its concentrated lobster flavor, though it should be eaten in moderation.

Why is my lobster meat mushy?

Mushy meat usually indicates the lobster was dead before cooking or was cooked for too long at a low temperature. Always ensure your lobster is alive and lively right before it hits the grill.